Х(4х-11)-7х(х-1)=-2х(х+2)+1

Question

Х(4х-11)-7х(х-1)=-2х(х+2)+1

Answer 1

X(4x-11)-7x(x-1)=-2x(x+2)+1
4x²-11x-7x²+7x=-2x²-4x+1
-3x²-4x+2x²+4x=1
-x²=1
x²=-1