Math
posted by Losa on .
What times something equals to 84? Like this: ___×__= 84.

Im having problem with this. It's for the factoring trees. I know it's 4×21=84, i tried that, but it doesn't fit in the factoring trees.

4 * 21 = 2 * 2 * 3 * 7

Thanks Ms.Sue! :)

You're welcome, Losa.

Simplify: 6a(4a  2) + 3a(a + 7)