Question

How do you multiply `-3g ^ { 2} ( 3g ^ { 2} + g )`?

Answer 1

`-9g^4+3g^3`

Explanation:

Distribute `-3g^2` to each term in `3g^2+g`

Recall: `x^a*x^b=x^(a+b)`

`[-3g^2*3g^2]+[3g^2*g]`

`-9g^(2+2)+3g^(2+1)`

`-9g^4+3g^3`

We cannot simply any further so this is our final answer