1.

2|x+1|^2 -|x+1|=3 find value of x​

Answer»

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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