Factorise: 7x^2+7x-42 splitting the middle term
sonuaidalpur:
thanks Ankita ji for selecting my answers as brainliest
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7x2+7x-42
=7x2+21x-14x-42
=7x(x+3)-14(x+3)
=(x+3)(7x-14)
=(x+3)2(x-2)
=2(x+3)(x-2)
=7x2+21x-14x-42
=7x(x+3)-14(x+3)
=(x+3)(7x-14)
=(x+3)2(x-2)
=2(x+3)(x-2)
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