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Expanding single brackets

English 11 Public

Expanding algebraic expressions

Study Slideshow

3(t-7)

3t - 21

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-2 ( y -4)

-2y + 8

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-7 (3 -b)

-21 + 3b

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3( t + 2y)

3t + 6y

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7( 2x + 3Y)

14x + 21y

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3 ( 4z - 3d + 5)

12z - 9d + 15

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-5 ( -4 -3b)

20 + 12b

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a square of side length y cm, its perimeter =

4y

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9 ( x² + 4)

9 x² + 36

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an equilateral triangle with side length = a cm, its perimeter =

3a

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B times by B is ...

B squared or B²

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