(x^2 - 2x)^2 = x^4+3+4x^3 check whether the following are quadratic equation.
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Step-by-step explanation:
(x^2 - 2x)^2 = x^4+3+4x^3
(x²)²-(2x)²-2(x²)(2x)=x⁴+4x³+3
=x⁴-4x²-4x³=x⁴+4x³+3
x⁴-x⁴+4x³+4x³+4x²+3=0
8x³+4x²+3=0
the equation is cubic equation
hence is it not a quadratic equation
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