Question

x(x+1)+8=(x+2)(x-2)​

Answer 1

Answer:

x^2+x+8 = x^2-4

Or, x^2-x^2+x = -4-8

Or, x = -12 Ans.

Answer 2

Answer:

$\boxed{\bf =>x=-12}$

Step-by-step explanation:

$x(x+1)+8=(x+2)(x-2) \\ x^{2} +x+8=x(x-2)+2(x-2) \\x^{2} +x+8=x^2-2x+2x-4 \\ x^2+x+8=x^2-4 \\x+8=-4\\x=-8-4\\ x=-12 \\\\ \boxed{\bf =>x=-12}$