(3x+4y) (3x+5y)
But solve this one
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Answer:
formula : (x+a)(x+b) = x² +(a+b)x + ab
Step-by-step explanation:
(3x+4y) (3x+5y)
(3x)² + (4y+5y)3x + 4y*5y
9x² + 27xy + 20y²
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