How do you simplify $-3x^2(x^2 + 3x)$ ?

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Answer 1 · 2017-05-01T13:28:55

See the solution process below:

To simplify this expression multiply each term within the parenthesis by the term outside the parenthesis:

$color(red)(-3x^2)(x^2 + 3x) =>$

$(color(red)(-3x^2) * x^2) + (color(red)(-3x^2) * 3x) =>$

$-3x^4 - 9x^3$

How do you simplify -3x^2(x^2 + 3x)-3x^2(x^2 + 3x)?