How do you simplify $-3sqrt(7r^3)*6sqrt(7r^2)$ ?

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Answer 1 · 2017-12-13T09:06:10

$=-126r^2sqrtr$

You can combine the two square roots into one because they are being multiplied.

$-3sqrt(7r^3) xx 6sqrt(7r^2)$

$= -18sqrt(7^2r^5)$

$=-18 xx 7r^2sqrtr$

$=-126r^2sqrtr$

How do you simplify -3sqrt(7r^3)*6sqrt(7r^2)-3sqrt(7r^3)*6sqrt(7r^2)?