Question

What is the product of (-3s+2t(4s-t)

Answer 1

Use the FOLD method
(a+b)(c+d)=ac+ad+bc+bd

−12s​^2 ​​+ 3st + 8ts − 2t​^2​​

Collect like terms
-12{s}^{2}+(3st+8st)-2{t}^{2}

Simplify
-12{s}^{2}+11st-2{t}^{2}−12s​2​​+11st−2t​2

The answer is = -12s^2 + 11st - 2t^2