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Find the following product(y^2-5y-2)(y+8)
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y^3 + 8y^2 - 40y - 5y^2 - 2y -16
= y^3 + 3y^2 - 42y - 16
the underlying theme here is to simply multiply it all out:
y^2 -5y -2
y^3 -5y^2 -2y
8y^2 -40y -16
y^3 +3y^2 -42y -16
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