Question

Decide which of the following is a quadratic
equation.
(A) 5x² - 15 = 3x2 - 2x
2
9
2
5
(C)
(D) 6r? +
5x 1
2
(B)x+ (-3) -
1
5 - 7=6x?
=
х
x​

Answer 1

‎‎‎‎‎‎‎‎‎‎

$→ {5x}^{2} - 15 = {3x}^{2} - 2x$

This is a quadratic equation