kminaie kminaie

11-01-2017
Mathematics

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how to solve this equation 2x^+12x+10=42

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doodle10 doodle10

18-01-2017

2x² + 12x - 32 = 0

(2x + 16)(x - 2)=0

Either 2x + 16 = 0
So 2x = - 16
x = - 8

Or x - 2 = 0
So x = 2

Answer x = - 8 or x =2

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