2x² = 12 – 2x by completing square
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Step-by-step explanation:
- factor
- 2 X square + 6 x - 12 =0
- 2xsquare+6x-4x-12=0
- 2x(x+3)-4(x+3)=0
- (x+3) (2x-4)=0
- x+3=0
- x=-3
- 2x-4=0
- 2x=4
- x=4/2=2
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