Question

ASAP Simplify both expressions pls. 1. 3y^2+3(6y^2-9) 2. 0.5(x^4-3)+11

Answer 1

`1.\ 21y^2-27`

`2.\ 0.5x^4+9.5`

Explanation:

Solving (1)

`3y^2+3(6y^2-9)`

Open bracket

`3y^2+3*6y^2-3*9`

`3y^2+18y^2-27`

Simplify like terms

`21y^2-27`

Solving (2)

`0.5(x^4-3)+11`

Open bracket

`0.5*x^4-0.5*3+11`

`0.5x^4-1.5+11`

Simplify like terms

`0.5x^4+9.5`