Which expression is equal to the polynomial below? 2x4 + 5x3 – 8x – 20 x3(2x + 5) + 4(2x – 5) x3(2x + 5) – 4(2x + 5) x3(2x – 5) – 4(2x – 5) x3(2x + 5) + 4(2x + 5)

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asked Mar 9, 2019 125k views

3 votes

Which expression is equal to the polynomial below? 2x4 + 5x3 – 8x – 20 x3(2x + 5) + 4(2x – 5) x3(2x + 5) – 4(2x + 5) x3(2x – 5) – 4(2x – 5) x3(2x + 5) + 4(2x + 5)

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Dhaulagiri asked

by Dhaulagiri

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4 votes

Answer:

B) x^3(2x + 5) – 4(2x + 5)

Explanation:

Dejohn answered Mar 9, 2019

by Dejohn

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3 votes

When you group pairs of terms and factor each group, you get
x³(2x + 5) – 4(2x + 5)

Jeff Moden answered Mar 13, 2019

by Jeff Moden

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