Question

7(a^2+b)-4(a^2+b)
Please help now please

Answer 1

`3a^(2) +3b`

`3(a^(2) +b)`

Explanation:

`7(a^(2) +b)-4(a^(2) +b)`

`7a^(2) +7b-4a^(2) -4b`

`3a^(2) +3b`

`3(a^(2) +b)`

Answer 2

3a² + 3b

Explanation:

7(a^2+b)-4(a^2+b)

= 7a² + 7b - 4a² - 4b

= 3a² + 7b - 4b

= 3a² + 3b