Question 12 Answer and Explanation _ACT January 2002 Form 55C Math Section

Question 12 Answer and Explanation _ACT January 2002 Form 55C Math Section

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12. For all x and y, (2x - y)(x² + y) = ?

F. 2x² - y²

G. 2x³ - y²

H. 2x³ + xy - y²

J. 2x³ + 2xy - x²y²

K. 2x³ - x²y + 2xy - y²

Answer and Explanation

Your Answer is

Correct Answer is K

Explanation

Expand the brackets to get K.