(7x²+4y²)(3x²+8y²) multiple the binomials
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Answer:
21x²+68x²y²+32y²
Step-by-step explanation:
7x²(3x²+8y²)+4y²(3x²+8y²)
(7x²×3x²+7x²×8y²)+(4y²×3x²+4y²×8y²)
21x²+56x²y²+12x²y²+32y²
21x²+68x²y²+32y²
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