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If M=5x^2+7x-4 and N=-3x^2-4x+5, then M-N equals
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If M=5x^2+7x-4 and N=-3x^2-4x+5, then M-N equals

User Richard Clayton
by
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1 Answer

3 votes

Answer:

8x² + 11x - 9

Explanation:

M - N

= 5x² + 7x - 4 - 1(- 3x² - 4x + 5) ← distribute parenthesis by - 1

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

= 8x² + 11x - 9

User Ruchir Bharadwaj
by
5.4k points
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