find the product
(3x+4y) and (7x²-4xy²)
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Step-by-step explanation:
ANSWER
product of (7x−4y) and (3x−7y)
(7x−4y) (3x−7y)
⇒(7x)(3x)−(7x)(7y)−(4y)(3x)+(4y)(7y)
⇒21x
2
−49xy−12xy+28y
2
⇒21x
2
+28y
2
−61xy
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