Question

x2-2(a+2)x+(a+1)(a+3)=0
solve by quadratic formula

Answer 1

Answer:

Step-by-step explanation:

X2-2(a+2)x+(a+1)(a+3)=0

x2 -(a+1)x-(a+3)x+(a+1)(a+3)

X(x-a-1) -(a+3)(x-a-1)

(x-a-1)(x-a-3)

x= a+1 , x = a+3