Question

Simplify. Write in Standard Form. r²(r+1)-r(2r²-1)
PLEASE EXPLAIN HOW YOU GOT IT!!!!

Answer 1

Sorry i could'nt help

Answer 2

−r^3+r^2+r

Explanation:

Let's simplify step-by-step.

r^2(r+1)−r(2r^2−1)

Distribute:

=(r^2)(r)+(r^2)(1)+−2r^3+r

=r^3+r^2+−2r^3+r

Combine Like Terms:

=r^3+r^2+−2r^3+r

=(r^3+−2r^3)+(r^2)+(r)

=−r^3+r^2+r