Question

Hyyyyy...!

check whether the following are quadratic equation.


1= (x-2) (x+5) =(x-3) (X+4)
2= (x-7) x= 3x²-5
3= (2x+1) (x-3) = (x-1)²


Plzz solve this ....!

I will mark it as brainlist ​

Answer 1

Answer:

........................................