Find the product of (7x-4y) and (3x-7y)????
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21x^2-12xy-49xy+28y^2
21x^2-61xy+28y^2
21x^2-61xy+28y^2
53Divya1:
Where have you brought this 2
Where have you brought this 2
Sorry I got it
Answered by
26
( 7x - 4y) × (3x - 7y)
= 7x ( 3x - 7y) - 4y( 3x - 7y)
= 21x^2 - 49xy - 12xy + 28y^2
= 21x^2 - 61xy + 28y^2
= 7x ( 3x - 7y) - 4y( 3x - 7y)
= 21x^2 - 49xy - 12xy + 28y^2
= 21x^2 - 61xy + 28y^2
Thanks
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