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19-12-2019
Mathematics

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If M = 5x2 + 7x-4 and N = -3x2-4x+5, then M -N equals

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Kevindontdomath Kevindontdomath

28-06-2021

7x+6=M

-4x-1=N

7x+6=4x+1

3x=-5

x=-5/3

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