state gov TSPSC DAO (Divisional Accounts Officer) Mock Test 2024 Quantitative Aptitude Algebra Quadratic Equation
Which of the following is not a quadratic equation?
1
2x (x + 4) – 11 = x (x - 3) + 6
2
4x (x + 4) – 11 = 5x (x – 3) + 5
3
x (x + 2) - 15 = x (x - 5) + 11
4
2x2 + 8x – 11 = 0