Q. 1 G4.0( 4 Votes )

# Let’s resolve into factors:

7x^{2} + 48xy-7y^{2}

Answer :

7x^{2} + 48xy-7y^{2}

=7x^{2} + 49xy-xy-7y^{2}

=7x(x + 7y)-y(x + 7y)

=(7x-y)(x + 7y)

∴ the factors of 7x^{2} + 48xy-7y^{2} are (7x-y)(x + 7y)

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