Prove that 4/x^2 + 1/x - 5 = 0 is a quadratic equation
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Step-by-step explanation:
4/x² + 1/x -5 = 0
now multiply by x² on both sides
4 + x - 5x² = 0 or 5x² - x - 4 = 0
since degree of this equation is 2 and it has no powers of x in the denominator, it is a valid quadratic equation.
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