How do you multiply 3x(5x^2-x+4)?

1 Answer
May 25, 2018

15x^3-3x^2+12x

Explanation:

We need to distribute the 3x to all terms in the parenthesis. We essentially have

color(blue)(3x)(5x^2)-color(blue)(3x)(x)+color(blue)(3x)(4)

Notice, the 3x is being multiplied by all terms. We get

bar(ul(|color(white)(2/2)15x^3-3x^2+12xcolor(white)(2/2)|))

as our final answer.

Hope this helps!