Question

Simplify −2r(−16r + 3r − 18).

Answer 1

26
`r^2` + 36r

Explanation:

Combine like terms:

-2r(-13r - 18)

Use the distributive property:

-2r(-13r) + (-2r)(- 18)

26
`r^2` + 36r

Answer 2

Answer: 26r^2 + 36r

Explanation:

−2r(−16r + 3r − 18)

32r^2 - 6r^2 + 36r

26r^2 + 36r