Question

5 check whether (x-2)(x+2) = 6-1)(x+3) is a quadratic equation or not​

Answer 1

Answer:

(x-2)(x+2) = (6-1)(x+3)

or, x^2 - 4 = 5x + 15

or, x^2 - 5x -4 - 15 = 0

or, x^2 - 5x - 19 = 0

so, the above equation is a quadratic equation.