Question

f(x)=x2+4x+5 f(x+1)= f(x+2)​

Answer 1

Answer:

f(x)=x^2+4x+5

f(x+1)=f(x+2)

(x+1)^2+4(x+1)+5=(x+2)^2+4(x+2)+5

x^2+2x+1+4x+4+5=x^2+4x+4+4x+8+5

6x+10=8x+17

6x-8x=17-10

-2x=7

x=-7/2

Thanks!