Question

check whether the equation (x+2)power3 = xpower3+5 is quadratic

Answer 1

(x+2}^3=x^3+5
x^3+8+6x(x+2)=x^3+5
8+6x^2+12x=5
6x^2+12x+3=0
hence it is a quadratic equation

Answer 2

Answer:

Quadratic equation

Step-by-step explanation:

(x-2)^3 = x^3 + 5

x^3 - 6x^2 +12x -8 = x^3 + 5

x^3 - x^3 + 6x^2 + 12x - 8 - 5 =0

6x^2 + 12x - 13 =0

So, it is proved that this equation is quadratic.

I hope it will helps you friend