Question

Nancy found that x=1 is one solution to the quadratic eqaution (x+2)2=a.What is the Value of a ?

Answer 1

a=6
x+1
1+2+3
3*2=6
so that's what a is

Answer 2

(x + 2)·2 = a

(1 + 2)·2 = a

3·2 = a

a = 6