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5x^5 −6x^4 +8x^3 Which expression is equivalent to? 5x−6
Correct answer: B (parsed from the explanation — this source omits an answer key for this item)
Explanation
3 Choice B is correct. Since x is a common factor of each term in the given 3 5 2-6 +8 expression, the expression can be rewritten as x ^ x x h. 5 5-6 4 Choice A is incorrect. This expression is equivalent to x x . Choice C is 40 5-48 4+8 3 incorrect. This expression is equivalent to x x x . Choice D is -36 9+48 8+6 5 incorrect. This expression is equivalent to x x x . 45 SAT PRACTICE TEST #6 ANSWER EXPLANATIONS SAT ANSWER EXPLANATIONS n MATH: MODULE 2
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