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Expand brackets 3

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    Expand brackets 3 Expand brackets 3 Presentation Transcript

    • Expand Brackets November 29, 2010 This means ‘get rid’ of the brackets in cases like: 3(x + 2) 4(2x + 3) x(x + 3) 3(x – 2) + 2(x – 3) (x + 3)(x – 2) Low C C B
    • x ( x + 4) + 3 ( x + 2) This means x times (x + 4) This means 3 times (x + 2) x X ( x + 4) + 3 X ( x + 2)
    • x ( x + 4) + 3 ( x + 2) This means x times (x + 4) This means 3 times (x + 2) x X ( x + 4) + 3 X ( x + 2) x X x + x X 4 + 3 X x + 3 X 2 Work out
    • x ( x + 4) + 3 ( x + 2) This means x times (x + 4) This means 3 times (x + 2) x X ( x + 4) + 3 X ( x + 2) x X x + x X 4 + 3 X x + 3 X 2 x 2 + 4x + 3x + 6 Work out
    • x ( x + 4) + 3 ( x + 2) This means x times (x + 4) This means 3 times (x + 2) x X ( x + 4) + 3 X ( x + 2) x X x + x X 4 + 3 X x + 3 X 2 x 2 + 4x + 3x + 6 x 2 + 7x + 6 Tidy up Work out