Question

How to simplify -3x(x²+3x-1)

Answer 1

Distribute

-(3x^3 + 9x^2 - 3x)

Simplify brackets

-3x^3 - 9x^2 + 3x

Answer 2

-3x³ - 9x² + 3x

Explanation:

You are trying to make it simplest form. To do so, note that -3x is outside the parenthesis. -3x is being multiplied to all terms within the parenthesis.

Distribute -3x to all terms within the parenthesis:

-3x(x²) = -3x³

-3x(3x) = -9x²

-3x(-1) = 3x

-3x³ - 9x² + 3x is your simplified form

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