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