SOLUTION: Solve by using the perfect squares method. x2 + 4x + 4 = 0 I am not quite sure how to do this problem.
Algebra
->
Signed-numbers
-> SOLUTION: Solve by using the perfect squares method. x2 + 4x + 4 = 0 I am not quite sure how to do this problem.
Log On
Algebra: Operations with Signed Numbers
Section
Solvers
Solvers
Lessons
Lessons
Answers archive
Answers
Click here to see ALL problems on Signed-numbers
Question 194888
:
Solve by using the perfect squares method.
x2 + 4x + 4 = 0
I am not quite sure how to do this problem.
Found 2 solutions by
checkley77, solver91311
:
Answer by
checkley77(12844)
(
Show Source
):
You can
put this solution on YOUR website!
x^2+4x+4=0
x^2+4x+4=4-4
x^2+4x+4=0
(x+2)^2=0
Answer by
solver91311(24713)
(
Show Source
):
You can
put this solution on YOUR website!
Since 2 + 2 = 4 and 2 X 2 = 4, the left had expression is a perfect square trinomial:
Using the Zero Product Rule
or
John