check whether the following are quadratic equations or not (x+3)whole cube =xcube -4xsquare-x+1
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Answer: It is not a quadratic equation.
Step-by-step explanation:
(x+3)^2=x^3-4x^2-x+1
x^2+9=x^3-4x^2-x+1
x^2+9-x^3+4x^2+x-1=0
X^2+8-x^3=0
=>-x^3+x^2+8=0
:•it is not a quadratic equation
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