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3 years ago

Rewrite the equation by completing the square 4x^2 +28x +49=0

Mathematics

1 answer:

Elodia [21]3 years ago

5 0

Answer: −3.5

Step-by-step explanation:

Standard form:

4x2 + 28x + 49 = 0

Factorization:

(2x + 7)2 = 0

Answer equation: 2x + 7 = 0 ⇒ x1 = x2 = −7 over 2 = −3.5

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