Question

12v(32v^2-8) at v= 3/4

Answer 1

You distribute a 3/4 wherever you see a v
Use PEMDAS order of operations (parenthesis, exponents, multiply, divide, add, subtract)

12*3/4(32*9/16-8)
12*3/4(18-8)
12*3/4(10)
9*10
=90

Hope this helps