Expand (3x+4y)(3x+5y)
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Answer:
9x² + 20y²+27xy
Step-by-step explanation:
(3x +4y) (3x+5y)
= 3x(3x+5y) +4y (3x + 5y)
= 9x² + 15xy + 12xy + 20y²
= 9x² + 20y²+27xy
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