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Choose the correct simplification of the expression (−2x + 4y)(3x − 7y).
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Choose the correct simplification of the expression (−2x + 4y)(3x − 7y).

User Lizbeth
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1 Answer

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-2x • 3x = -6x2 (the 2 is an exponent)
4y • -7y = -28y2 (the 2 is an exponent)
-2x • -7y = 14xy
4y • 3x = 12xy
14xy + 12xy = 26xy

—> -6x2(expo) - 28y2(expo) + 26xy

Check the answer again just to be sure, it’s been a while since I’ve had algebra!
User Victor Trusov
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