How to solve quadratic equation?
NCERT Solutions for Class 10 Maths Chapter 4 and Important NCERT Questions from Quadratic Equation
NCERT Books for Session 2022-2023 of CBSE, MP board and UP Board Others state Board, EXERCISE 4.1
Page No:73,
Questions No:1 Part (viii)
Check whether the following is quadratic equations : x³ – 4x² – x + 1 = (x – 2)³
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x3 – 4x² – x + 1 = (x – 2)³
Simplifying the given equation, we get
x³ – 4x² – x + 1 = (x – 2)³
⇒ x³ – 4x² – x + 1 = x³ – 6x² + 12x – 8
⇒ 2x² – 13x + 9 = 0
or 2x² – 13x + 9 = 0
This is an equation of type ax² +bx + c = 0
Hence, the given equation is a quadratic equation.