Question

(x-1)^3 = x^3-8 is quadratic equation.justify​

Answer 1

Step-by-step explanation:

${ (x - 1)}^{3}$

$( {x}^{3} + 1 + 3x(x + 1))$

${x}^{3} + 3 {x}^{2} + 3x + 1$

________

equal to

________

${x}^{3} + {2}^{3}$

x³ gets cut from both sides.

Hence,

$3 {x}^{2} + 3x + 1 = 8$

which is a quadratic equation.