Choose the correct simplification of (3x3 + 2x2 − 5x) − (8x3 − 2x2) A.−5x3 + 4x2 − 5x B. 5x3 + 2x2 + 5x C.−5x3 − 4x2 D. 5x3 + 2x2

asked Nov 18, 2018 234k views

4 votes

Choose the correct simplification of (3x3 + 2x2 − 5x) − (8x3 − 2x2)

A.−5x3 + 4x2 − 5x
B. 5x3 + 2x2 + 5x
C.−5x3 − 4x2
D. 5x3 + 2x2

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3 votes

Answe

-5x³ + 4x² - 5x

Explanation:

got it right on the quiz

Andi Schroff answered Nov 20, 2018

8.2k points

4 votes

(3x³ + 2x² - 5x) - (8x³ - 2x²) =
3x³ + 2x² - 5x - 8x³ + 2x² =
-5x³ + 4x² - 5x

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