SOLUTION: multiply (9x+3)*(7x^2+2x+1)

Question 368812: multiply
(9x+3)*(7x^2+2x+1)
Answer by fractalier(6550) (Show Source): You can put this solution on YOUR website!
We employ a "round-robin" technique...that is, every term on the first factor multiplies every term in the second factor...then we add them up...so
=
=
now collect like terms and get

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