Please do the sum and send me fast
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x^2 +3xy - 4y^2
= x^2 - xy + 4xy - 4y^2
= x ( x - y) + 4y( x - y)
= (x - y) (x + 4y)
= x^2 - xy + 4xy - 4y^2
= x ( x - y) + 4y( x - y)
= (x - y) (x + 4y)
handdon:
Express this sum as the difference of 2 square
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Hope this helps u.....
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