How to find the solution of a rational equation with a binomial denominator - PSAT Math
Card 1 of 7
Solve for 
.
Solve for
Tap to reveal answer
Factor the expression
numerator: find two numbers that add to 2 and multiply to -8 \[use 4,-2\]
denominator: find two numbers that add to 5 and multiply to -14 \[use 7,-2\]
new expression:
Cancel the 
and cross multiply.
Factor the expression
numerator: find two numbers that add to 2 and multiply to -8 \[use 4,-2\]
denominator: find two numbers that add to 5 and multiply to -14 \[use 7,-2\]
new expression:
Cancel the
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Solve for .
Solve for
Tap to reveal answer
Factor the expression
numerator: find two numbers that add to 2 and multiply to -8 \[use 4,-2\]
denominator: find two numbers that add to 5 and multiply to -14 \[use 7,-2\]
new expression:
Cancel the and cross multiply.
Factor the expression
numerator: find two numbers that add to 2 and multiply to -8 \[use 4,-2\]
denominator: find two numbers that add to 5 and multiply to -14 \[use 7,-2\]
new expression:
Cancel the
← Didn't Know|Knew It →
Solve for .
Solve for
Tap to reveal answer
Factor the expression
numerator: find two numbers that add to 2 and multiply to -8 \[use 4,-2\]
denominator: find two numbers that add to 5 and multiply to -14 \[use 7,-2\]
new expression:
Cancel the and cross multiply.
Factor the expression
numerator: find two numbers that add to 2 and multiply to -8 \[use 4,-2\]
denominator: find two numbers that add to 5 and multiply to -14 \[use 7,-2\]
new expression:
Cancel the
← Didn't Know|Knew It →
Solve for .
Solve for
Tap to reveal answer
Factor the expression
numerator: find two numbers that add to 2 and multiply to -8 \[use 4,-2\]
denominator: find two numbers that add to 5 and multiply to -14 \[use 7,-2\]
new expression:
Cancel the and cross multiply.
Factor the expression
numerator: find two numbers that add to 2 and multiply to -8 \[use 4,-2\]
denominator: find two numbers that add to 5 and multiply to -14 \[use 7,-2\]
new expression:
Cancel the
← Didn't Know|Knew It →
Solve for .
Solve for
Tap to reveal answer
Factor the expression
numerator: find two numbers that add to 2 and multiply to -8 \[use 4,-2\]
denominator: find two numbers that add to 5 and multiply to -14 \[use 7,-2\]
new expression:
Cancel the and cross multiply.
Factor the expression
numerator: find two numbers that add to 2 and multiply to -8 \[use 4,-2\]
denominator: find two numbers that add to 5 and multiply to -14 \[use 7,-2\]
new expression:
Cancel the
← Didn't Know|Knew It →
Solve for .
Solve for
Tap to reveal answer
Factor the expression
numerator: find two numbers that add to 2 and multiply to -8 \[use 4,-2\]
denominator: find two numbers that add to 5 and multiply to -14 \[use 7,-2\]
new expression:
Cancel the and cross multiply.
Factor the expression
numerator: find two numbers that add to 2 and multiply to -8 \[use 4,-2\]
denominator: find two numbers that add to 5 and multiply to -14 \[use 7,-2\]
new expression:
Cancel the
← Didn't Know|Knew It →
Solve for .
Solve for
Tap to reveal answer
Factor the expression
numerator: find two numbers that add to 2 and multiply to -8 \[use 4,-2\]
denominator: find two numbers that add to 5 and multiply to -14 \[use 7,-2\]
new expression:
Cancel the and cross multiply.
Factor the expression
numerator: find two numbers that add to 2 and multiply to -8 \[use 4,-2\]
denominator: find two numbers that add to 5 and multiply to -14 \[use 7,-2\]
new expression:
Cancel the
← Didn't Know|Knew It →