Question

check whether the following is quadratic equations: (x+1)3 = x3+x+6

Answer 1

Answer:

no it is not a quadratic equation

because cube will not come in quadratic equation

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Answer 2

x^3+1+3x^2+3x=×^3+x+6

3x^2+3x+1-x-6=0

3x^2+2x-5=0

ax^2+bx+c=0,adoes not 0

the equation is a quadratic equations