Question

разложите на множители ax^2-a-x^2+x

Answer 1

ax²-a-x²+x=a(x²-1)-x(x-1)=a(x-1)(x+1)-x(x-1)=(x-1)(ax+a-x)

Answer 2

$a x^{2} -a- x^{2} +x=a( x^{2} -1)-x(x-1)= \\ =a(x-1)(x+1)-x(x-1)=(x-1)(ax+a-x)$