Question

How do you solve `x(3x + 5) = 15 + 5x`?

Answer 1

`x = +-sqrt(5)`

Explanation:

`3x^2 + 5x = 15 + 5x`

`3x^2 - 15 = 0`

`3(x^2 - 5) = 0`

`x = +-sqrt(5)`

Hopefully this helps!