A= 9(x+7) =9×x+9×7= 9x+63
B= 4(11-x) = 4×11+4×(-x) =44-4x
C= 2x-(1+x²) = 2x-1×1-1×x²=2x-1-x²
D= 5(7x+8) = 5×7x+5×8= 35x+40
E= 8(3x-4) = 8×3x+8× (-4) = 24x-32
F= 4(9-7x) = 4×9+4×(-7x) = 36-28x
G= 6(11+3x) =6×11+6×3x= 66+18x