Simplify X²-4-x+4x²/x²+3x-4

1.	Simplify X²-4-x+4x²/x²+3x-4
Answer» 5x^2-x-4/x^2+3x-4By factorising it. We get (5x+4)(x-1)/(x+4)(x-1)Cancel (x-1)We get (5x+4)/(x+4)

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