# algebra

posted by
**lajeana golden**
.

y=3(x+5)(x-2)

I'm suppose to simplify right?

There is no way to solve for the variables.

y=3(x+5)(x-2)

use the distributive property

y=3x+15(x-2)

y=3x+15x-30

y=18x-30

thanks for your help but the book says the answer is y =3xsquared + 9x-30

how did they get answer?