SOLUTION: (y-7)(4y +12)(y +13)=0 y-7 4y+12 y+13= 0 what do i do next, i'm having a tough time with trinomials?

Question 339132: (y-7)(4y +12)(y +13)=0
y-7 4y+12 y+13= 0
what do i do next, i'm having a tough time with trinomials?
Answer by Earlsdon(6294) (Show Source): You can put this solution on YOUR website!
You are having a tough time!
When multiplying factors as given in this problem, you can't just put all the terms together as you did, that simply will not work!
Let's see how it goes:
You would multiply these three factors two-at-a-time.
Let's take the last two, using the FOIL method to multiply them:
Simplify this a bit.
Now multiply this by the first term (y-7).
Simplifying, we get:

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