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Alenkinab [10]
3 years ago
6

Solve by using the perfect squares method. x2 + 4x + 4 = 0 a. 2 b. –2 c. 4 d. –4

Mathematics
2 answers:
Assoli18 [71]3 years ago
7 0
Solve your equation step-by-step.

x2+4x+4=0

Factor left side of equation.

(x+2)(x+2)=0

Set factors equal to 0.

x+2=0

or

x+2=0


x=−2

Stels [109]3 years ago
5 0
a^2+2ab+b^2=(a+b)^2 \\ \Downarrow \\
x^2+4x+4=x^2 + 2 \times 2 \times x +2^2=(x+2)^2 \\ \\
x^2+4x+4=0 \\
(x+2)^2=0 \\
x+2=0 \\
x=-2

The answer is B.
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Step-by-step explanation:

However, the problem can be written.

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Answer:

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Read 2 more answers
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Step-by-step explanation:

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