Question

Simplify the expression by removing parentheses and combining like terms
-3(2m-2)-3(5m-3)

Answer 1

-3(2m - 2) - 3(5m - 3)

The first step is to get rid of the parentheses by applying this Distributive Property. The Distributive Property: a(b + c) = ab + ac.

Mutiply each term inside the parentheses by the multiplier outside of it.

-3(2m - 2) - 3(5m - 3)

-6m + 6 - 3(5m - 3)

-6m + 6 - 15m + 9

Collect like terms (variable terms and constants).

-6m + 6 - 15m + 9

-21m + 15

Answer:

-21m + 15

Answer 2

Step 1 ) Distribute the parenthesis.

-3 ( 2m - 2 ) -3 ( 5m - 3 )

−6m + 6 − 15m + 9

Step 2 ) Combine like terms.

−6m + 6 − 15m + 9

-6m - 15m + 6 + 9

-21m + 15

The expression is in its simplest form, so the answer is...

-21m + 15

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- Marlon Nunez