lauren813 lauren813

13-03-2019
Mathematics

contestada

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

Respuesta :

jimrgrant1 jimrgrant1

13-03-2019

Answer:

8x² + 11x - 9

Step-by-step explanation:

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

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

= 8x² + 11x - 9

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