Question

Which expression is equivalent to -5(-2m-4)?

Group of answer choices

-10m - 4

10m + 20

10m - 20

-10m - 20

Answer 1

10m+20
Step by step explanation
Multiply everything in the parentheses by 5
-5x(-2m)-5x(-4)
Calculate
If you multiply two numbers by the same sign even if is negative is automatically positive
5x2m-5x(-4)
Multiply 5x2m
10m-5x(-4)
Multiply -5x(-4)
10m+20

Answer 2

the expression equivalent to that is 10m+20