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Factorising a Quadratic Equation

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Factorising a Quadratic Equation. All of these equations are quadratic equations: ... SECOND Choose the pair that add up to 5. 2 3 = 5 ... – PowerPoint PPT presentation

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Title: Factorising a Quadratic Equation


1
Factorising a Quadratic Equation
All of these equations are quadratic equations y
x2 5x 6 y x2 3x - 10 y x2 - 16 y
x2 3x
y ax2 bx c A, b and c can be any numbers
2
To solve by factorising 0 x2 5x 6
FIRST Find all the factor pairs of 6
1 X 6 6 2 X 3 6
SECOND Choose the pair that add up to 5
2 3 5
THIRD These two numbers give the answer like
this 0 (x 2)(x 3) x -2 and -3
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