3 answers
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First, we can simplify by distributing the terms from the first parentheses to the terms in the second parentheses:
5y * 5y^3 = 25y^4
5y * 5y = 25y^2
5y * 4 = 20y
8 * 5y^3 = 40y^3
8 * 5y = 40y
8 * 4 = 32
Now we combine the like terms:
25y^4 + 40y^3 + 25y^2 + 40y + 20y + 32
Finally, we simplify this expression:
25y^4 + 40y^3 + 25y^2 + 60y + 32