belladrissen belladrissen

04-09-2019
Mathematics

contestada

2x^2-12x=-14 squared

Respuesta :

ghanami ghanami

04-09-2019

Answer:

Step-by-step explanation:

2x²-12x=-14

divid by 2 :

x²- 6x = -7

(x²- 6x+9) - 9 = -7

(x - 3)²= 2

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