Question

51.
which of the following is not a quadratic equation?


a.(x+1)^{2}=2(x-3)


b.x^{2}-2x=(-2)(3-x)


c.(x-2)(x+1)=(x-1)(x+3)


d.(x-3)(2x+1)=x(x+5)​

Answer 1

Answer:

option c).(x-2)(x+1)=(x-1)(x+3) is not the quadratic equation

hope it helps you....

Answer 2

Answer:

c.

Step-by-step explanation:

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

I hope the answer is helpful for you