Question

Simplify the expression.

-3(b – 7)

Answer 1

distribute the -3

Answer 2

(so multiply b by -3 and -7 by -3

Answer 3

i still dont get it

Answer 4

you have -3 in front of (b -7), which means you have to multiply b by the -3 on the outside AND -7 by the -3 on the outside

Answer 5

what is -3 * b ?

Answer 6

i don't know..

Answer 7

it's just -3b

what is -3 * -7 ?

Answer 8

-3(b – 7)

we have to muliply the bracket with -3
so,
-3b+21.