If M= 5x squared+7x-4 and N= -3x squared - 4x + 5, M-N equals

asked Jan 12, 2020 106k views

5 votes

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5 votes

Answer:

8x² + 11x - 9

Explanation:

M - N = 5x² + 7x - 4 - (- 3x² - 4x + 5)

= 5x² + 7x - 4 + 3x² + 4x - 5 ← collect like terms

= 8x² + 11x - 9

Delete Me answered Jan 18, 2020

5.4k points

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