Question

Find the product of (3r^2)(2r^2 + r - 7)

Answer 1

=3r^2(2r^2) + 3r^2(r) - 3r^2(7)

Can you do it now?
Remember, when multiplying variables the exponents add together. (example: x^2(x)=x^3 because 2+1=3).

Answer 2

thx

Answer 3

no problem :)