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Which of the following is equivalent to the quadratic equation below after completing the square? x^2+4x=0 A. (x+4)^2=4 B.(x+2)^2=16 C.(x+4)^2=8 D.(x+2)^2=4

Which of the following is equivalent to the quadratic equation below after completing the square? x^2+4x=0 A. (x+4)^2=4 B.(x+2)^2=16 C.(x+4)^2=8 D.(x+2)^2=4
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4 votes
Which of the following is equivalent to the quadratic equation below after completing the square?

x^2+4x=0
A. (x+4)^2=4
B.(x+2)^2=16
C.(x+4)^2=8
D.(x+2)^2=4

asked
User Cyril Cressent
by
8.8k points

1 Answer

7 votes
x^2 + 4x = 0
x^2 + 4x + 4 = 0 + 4
(x + 2)^2 = 4
answered
User Samhan Salahuddin
by
7.9k points
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