Question

wat is the formula for-(x+b)3 (x-b)3 x3+b3 x3-b3...

Answer 1

1. a) (x+b)³=x³+3x²b+3xb²+b³
    b) (x+b)³=x³+b³+3xb(x+b)
2. a) (x-b)³=x³-3x²b+3xb²-b³
    b) (x-b)³=x³-b³-3xb(x-b)
3. x³+b³=(x+b)³-3xb(x+b)
4. x³-b³=(x-b)³+3xb(x-b)