Question 205303
use FOIL to find each product 
(5y3w2+z)(2y3w2+3z)
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F: 5y^3w^2*2y^3w^2 = 10y^6w^4
O:5y^3w^2*3z = 15y^3w^2z
I:z*2y^3w^2 = 2y^3w^2z
L:z*3z = 3z^2
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Combine to get:
10y^6w^4 + 16y^3w^2z + 3z^2
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Cheers,
Stan H.