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secondary 3 | E Maths
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Date Posted: 2 years ago
Views: 186
5(x²-6x-7) = 2(x²-4x+3)
3x² - 22x - 41 = 0
b² - 4ac = 22²+4×3×41 ≈ 31.24²
x₁ = (22+31.24)÷6 ≈ 8.87
x₂ = (22-31.24)÷6 ≈ -1.54
3x² - 22x - 41 = 0
b² - 4ac = 22²+4×3×41 ≈ 31.24²
x₁ = (22+31.24)÷6 ≈ 8.87
x₂ = (22-31.24)÷6 ≈ -1.54
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Date Posted:
2 years ago
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