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5.1 Solving Quadratic Equations by Factorisation

English 10 Public

5.1 Solving Quadratic Equations by Factorisation

Study Slideshow

(x+2)(2x−3)=0

x = -2,3/2

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3x^2-12x=0

x=0,4

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(5x-1)(x+7)=0

x=1/5,-7

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x^2 + 8x + 15 = 0

x = -3,-5

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4x(3x + 2) = -1

x = -1/6, -1/2

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(2x + 5)(x - 3) = 0

x = -5/2,3

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x^2 - 9x + 18 = 0

x = 3, 6

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(4x - 7)(2x + 5) = 0

x = 7/4, -5/2

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3x(2x - 5) = -6

x = 2, 1/2

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x^2 + 2x - 24 = 0

x = 4, -6

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