Question

7x+1=3x2-2x+1

Answer 1

\[9x=3x ^{2}\]
\[3x=x ^{2}\]
x=3

Answer 2

3x^2-2x+1=7x+1
3x^2 - 2x -7x + 1 - 1=0
3x^2-9x=0
x(3x-9)=0
so either x=0 or (3x-9)=0
3x-9=0
x=3
therefore x=0,3

Answer 3

3x^2-9x=0 why?