Question

Simplify
4st(s-t)-6s^2 (t-t^2) - 3t^2(2s^2-s)+2st(s-t)

Answer 1

4st(s – t) – 6s^2(t – t^2) – 3t^2(2s^2 – s) + 2st(s-t)
= 4s^2t – 4st^2 – 6s^2t + 6s^2t^2 – 6t^2s^2 + 3st^2 + 2st
= – 2s^2t – st^2 + 2st
= – 2s^2t – st^2 + 2st