Question

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

Answer 1

Answer:

x^2＋x＋8＝x^2－4

x＝－12

↑answer

Answer 2

Answer:

x²+x+8= x²-2x+2x-4

x²+ x+8= x²-4

x²+x-x²= -4-8

X= -12