Answer:
a=1/2
Step-by-step explanation:
first we need to isolate a squared. so we add 1/4 to both sides
then you take the square root of a square to get 1/2
to check, 1/2 * 1/2 = 1/4
1/4-1/4 = 0
The answers D, the explanation is that it’s basically common sense just look for the same numbers and make it make sense :)
D(X+2)(2X+1) This is your answer.