SOLUTION: (-7b^3+2b-3)(5b^2-2b+4) Help Me Figure How To Multiply This Polynomial!!
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Question 134008: (-7b^3+2b-3)(5b^2-2b+4) Help Me Figure How To Multiply This Polynomial!!
Answer by andishmonkeygirl(3) (Show Source): You can put this solution on YOUR website!
(-7b^3+2b-3)(5b^2-2b+4)
first you multiply everything in the second trinomial by the first term in the first trinomial
-35b^5+14b^4-28b^3
then add on to that everything in the second trinomial multiplied by the second term in the first trinomial
-35b^5+14b^4-28b^3+10b^3-4b^2+8b
then add on to that everything in the second trinomial multiplied by the third term in the first trinomial
-35b^5+14b^4-28b^3+10b^3-4b^2+8b-15b^2+6b-12
then put the terms in decreasing degree order
-35b^5+14b^4-28b^3+10b^3-4b^2-15b^2+8b+6b-12
then combine like terms to finish simplifying the problem
-35b^5+14b^4-18b^3-19b^2+14b-12
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