Question

Rewrite the quadratic function below in standard form y=3(x+3(x+5)

Answer 1

`\boxed {y =3 {x}^(2) + 8x + 15}`

Explanation:

`y = 3(x + 3)(x + 5)`

Expand/Distribute x+3 in x+5

`y = 3( {x}^(2) + 8x + 15)`

Distribute 3 in the expression.

`y = 3 {x}^(2) + 24x + 45`