Question

When simplifying --7(3)(-10) + (-4), can you multiply 3 and -10 first and get the same result as multiplying - 7 and 3 first?

Explain.

Answer 1

See explanation

Explanation:

Yes

-7(3)(-10) + (-4) =

-7(-30) + (-4)= ==> multiply 3 and -10

210 - 4=206

-7(3)(-10) + (-4) =

-21(-10) + (-4)= ==> multiply -7 and 3

210 - 4=206

206=206 √