Expand Brackets PowerPoint PPT Presentation

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Title: Expand Brackets


1
Expand Brackets
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Expand the brackets and simplify (x 3)(x 2)
(x 3)(x 2) ? x2 2x 3x 6 ? x2 5x 6
3
Multiply out the brackets and simplify (x
3)(x 5)
(x 3)(x - 5) ? x2 - 5x 3x - 15 ? x2 - 2x 15
4
Multiply out the brackets and simplify (x -
3)(x 4)
(x - 3)(x - 4) ? x2 - 4x - 3x 12 ? x2 - 7x 12
5
Multiply out the brackets and simplify (4x
1)(x 2)
(4x 1)(x - 2) ? 4x2 - 8x x - 2 ? 4x2 - 7x 2
6
Multiply out the brackets and simplify (3x -
4)(5x 2)
(3x - 4)(5x 2) ? 15x2 - 6x - 20x - 8 ? 15x2 -
26x 8
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