Solve the equation by completing the
Square Method
x² + 4x - 5=0
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Answer:
Explanation:
x² + 4x - 5=0
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Answered by
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x^2 + 4x + 4 - 4 - 5 = 0
(x + 2)^2 - 9 = 0
(x + 2)^2 - 3^2 = 0
(x + 2 - 3)(x + 2 + 3) = 0
(x - 1)(x + 5) = 0
x = 1 or x = - 5
(x + 2)^2 - 9 = 0
(x + 2)^2 - 3^2 = 0
(x + 2 - 3)(x + 2 + 3) = 0
(x - 1)(x + 5) = 0
x = 1 or x = - 5
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