Question

For 21-22, simplify the algebraic expressions.

21. -3(6y) 22. -7a(3b)

Answer 1

(21)

`-3(6y)`

we can multiply it

`=-3*6*y`

`=-18*y`

`=-18y`............Answer

(22)

`-7a(3b)`

we can multiply it

=
`-7a*3b`

=
`-7*a*3*b`

we can rearrange it

=
`-7*3*a*b`

=
`-21*a*b`

=
`-21ab`...............Answer

Answer 2

21.

-3(6y)

multiplying we get

-18y

22.

-7a(3b)

on multiplying we get

-21ab