Question

Simplify 3r(4r-5s)+2r(-6r-9s)

Answer 1

Answer:

-33rs

Step-by-step explanation:

First, distribute in the first part of the equation.

3r(4r-5s)=12r-15rs

Now, distribute in the first part of the equation.

2r(-6r-9s)=-12r-18rs

Combine this together.

12r-15sr-12r-18rs

Combine like terms. (12r and -12r will cancel out to 0.)

-33rs

Hope this helps! Have a wonderful day ^^

Answer 2

Answer:

$\boxed {-33rs}$

Step-by-step explanation:

Simplify the expression:

$3r(4r - 5s) + 2r(-6r - 9s)$

-Use Distributive Property:

$3r(4r - 5s) + 2r(-6r - 9s)$

$12r^{2} - 15rs - 12r^{2} - 18rs$

-Combine both $12r^{2}$ and $-12r^{2}$:

$12r^{2} - 15rs - 12r^{2} - 18rs$

$-15rs - 18rs$

-Then, combine both $15rs$ and $18rs$:

$-15rs - 18rs$

$\boxed {-33rs}$ (final answer)