Question

1 a^2 +a-3
_
4 factorize by competing squares​

Answer 1

Answer:

(a+1/2+√13/2)(a+1/2-√13/2)

Step-by-step explanation:

(a²+a+1/4)-1/4-3

(a+1/2)²-13/4

(a+1/2)²-(√13/2)²

(a+1/2+√13/2)(a+1/2-√13/2)