Question

ax2-bx2-bx+ax-a+b;
ax2+bx2-bx-ax+a+b;​

Answer 1

ах2-bx2-bx+ax-b+a

a(x2+x-1)-b(x2+x-1)

(x2+x-1)(a-b)

(2x+x-1)(a-b)

(3x-1)(a-b)