x² + 4x = 5;
x² + 4x - 5 = 0
x1 + x2 = -4
x1x2 = -5
x1 = -5
x2 = 1
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Verified answer
x² + 4x = 5;
x² + 4x - 5 = 0
x1 + x2 = -4
x1x2 = -5
x1 = -5
x2 = 1