SAT Math : How to find the solution of a rational equation with a binomial denominator

Study concepts, example questions & explanations for SAT Math

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Example Questions

Example Question #2 :Binomials

Solve for.

Possible Answers:

Correct answer:

Explanation:

Factor the expression

分子:找两个数增加2相乘iply to -8 [use 4,-2]

denominator: find two numbers that add to 5 and multiply to -14 [use 7,-2]

new expression:

Cancel theand cross multiply.

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