Question

Quick quesiton: when multiplying -4x*8x^3 do I add the x's or would that be -32x^3?

Answer 1

x^n * x^m = x^(m+n)

A simple example 3^2 * 3^3 = (3*3) * (3*3*3) = (3*3*3*3*3) = 3^(2+3) = 3^5

So, in your example: -4x*8x^3 = -32*x^4

Answer 2

ah okay That's what I thought