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secondary 3 | E Maths
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Date Posted: 2 years ago
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50x² + 80x - 40 = 0
5x² + 8x - 4 = 0
(5x-2)∙(x+2) = 0
x₁ = ⅖
x₂ = -2
5x² + 8x - 4 = 0
(5x-2)∙(x+2) = 0
x₁ = ⅖
x₂ = -2
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