Question

x(x+1) +8=(x+2) (x-2) is a quadratic equation​

Answer 1

Answer:

x+ 12 is the answer...

.

.

.

Answer 2

Answer:

Given that: x(x+1)+8=(x+2)(x−2)

By simplifying we get

x

2

+x+8=x

2

−4

x

2

−x

2

+x+8+4=0

x+12=0

It is not of the form ax

2

+bx+c=0

The variable x is only in the first degree.

∴ It is not a quadratic equation.