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2|x+1|^2 -|x+1|=3 find value of x |
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Answer» X= -2 Step-by-step explanation: 2(x^2+1+2x)-x-1=3 2x^2+2+4x-x-1=3 2x^2+3x+1=3 2x^2+3x-2=0 2x^2+4x-x-2=0 2x(x+2)-1(x+2)=0 (2x-1)(x+2)=0 |
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