A.3ax-ay-3bx+by
B. 6 in the power x2- 4ax-9bx+6a
C. 25 in the power of x2- 144 in the power y 2
D. X in the power of 2 - 9
E. 2 in the power of X2 y- 6 in the power of x4 y in the power of 3- 8 in the power of x2y5
F. 24 in the power of x2- 72x -54
G.3xin the power of 2 y in the power 4 + 6x in the power of 3 y in the power of y3