How do you multiply $3x^2(2x^2+20x+12)$ ?

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Answer 1 · 2017-01-07T21:12:59

See full explanation below:

To multiply this expression you multiply $color(red)(3x^2)$ by each term within parenthesis:

$(color(red)(3x^2) xx 2x^2) + (color(red)(3x^2) xx 20x) + (color(red)(3x^2) xx 12) ->$

$6x^4 + 60x^3 + 36x^2$

How do you multiply 3x^2(2x^2+20x+12)3x^2(2x^2+20x+12)?