Posted by **lajeana golden** on Wednesday, June 6, 2007 at 10:45pm.

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?

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