URGENT SVP URGENT
A=(8x-3)(8-7x)-(8x-3)(-x+1)
B= 4(3x+6)(4x-3)^2
C=2(x+1)^2+3(x-1)
D=(5x-8)^2-(5x-7)(5x-8)
E=16(x-1)^2+(3x-3)
F=(2x-7)^2-49
G=(5x-4)^2-(3-2x)^2