Question

x²+4x+13 - how to make it on (a+b)²​

Answer 1

Step-by-step explanation:

x^2 + 4x + 13

add and subtract eq with 4

(x^2 + 4x + 4) -4+ 13

this can be written as (a+b)^2

x^2 + 2* 2 * x + 2^2 = (x+2)^2

(x+2)^2+9