Question

Answer 1

\(c,4x^2+4x+1-4x^2-8x+x+2=0\)

\(-3x+3=0\)

\(-3x=-3\)

\(x=-3:-3\)

\(x=1\)

Answer 2

=>4x^2+4x+1-4x^2-8x+x+2=0

=>-3x+3=0

=>x=1

Answer 3

\(4x^2+4x+1-\left(4x^2+8x-x-2\right)=0\)

\(4x^2+4x+1-4x^2-8x+x+2=0\)

\(4x^2-4x^2+4x-8x+x+1+2=0\)

\(-3x+3=0\)

\(-3x=-3< =>x=1\)