Question

(1-x)^2=(1-x(1+x)
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Answer 1

(1-x)^2=(1-x)(1+x)

1-2x+x^2=(1-x)x

1-2x+x^2=x-x^2

1-2x+x^2-x+x^2=0

1-3^x+2x^2=0

2x^2-3x+1=0

x=-(-3) +√(-3)^2-4×2×1 supra 2×2

x= 3+-√9-8 supra 4

x=3+1 supra 4

x=3-1 supra 4

x=1

x=1 supra 2

x1=1supra 2, x2 = 1

x1= 0,5  

x2=1