SOLUTION: How do I multiply this equation?
(7x^3-11x^2+2x)(-4x^2-5x+8)
I tried this and this was wrong.
7x^3-11x^2+2x*4x^2+5x-8
7x^3-7x^2+7x-8
or is it
7x^3-44x^2+7x-8
I don't kno
Algebra.Com
Question 172374: How do I multiply this equation?
(7x^3-11x^2+2x)(-4x^2-5x+8)
I tried this and this was wrong.
7x^3-11x^2+2x*4x^2+5x-8
7x^3-7x^2+7x-8
or is it
7x^3-44x^2+7x-8
I don't know which one is right if they are even correct.
Answer by checkley77(12844) (Show Source): You can put this solution on YOUR website!
7x^3-11x^2+2x
-4x^2-5x+8
-----------------
-28x^5+44x^4-8x^3-35x^4+55x^3-10x^2+56x^3-88x^2+16x
-28x^5+9x^4+103x^3-98x^2+6x ans.
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