Question

Which of the
following is not a
quadratic equation?
a)
2(x - 2)² = 4x²- 2x + 1
b)2x – x² = x² – 5
c)
(2x + 3)2 + x² = 3x? -​

Answer 1

Answer:

b is the not a quadratic equation

Answer 2

All are quadratic equations only