Question 35 Answer and Explanation _ACT April 2005 Form 60E Math Section

Question 35 Answer and Explanation _ACT April 2005 Form 60E Math Section

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35. Which of the following expressions is equivalent to 3x⁴ + 6x² - 45 ?

A. (x² + 5)(x² - 3)

B. (3x² - 15)(x² + 3)

C. 3(x⁴ + 6x² - 45)

D. 3(x² + 5)(x² + 3)

E. 3(x² + 5)(x² - 3)

Answer and Explanation

Your Answer is

Correct Answer is E

Explanation

Decompose the factor and get E.