chief91 chief91

02-05-2019
Mathematics

contestada

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

If M5x2 and N3x24x5then MN equals class=

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jimrgrant1 jimrgrant1

02-05-2019

Answer:

8x² + 4x - 5

Step-by-step explanation:

M - N

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

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

= 8x² + 4x - 5

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