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Equivalent expressions SAT question
Math · Advanced Math · Medium · Answer it here, explanation included.
Which of the following is equivalent to the expression 
?
ExplanationShow
Choice B is correct. The term x4 can be factored as 
. Factoring –6 as 
yields values that add to –1, the coefficient of x2 in the expression.
Choices A, C, and D are incorrect and may result from finding factors of –6 that don’t add to the coefficient of x2 in the original expression.
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