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Removal of brackets

Removal of brackets. Example Work out each of the following 4 x 36 = 4x(30+6) 5 x 18 = 5x(10+8) 6 x 72 =6x(70+2). Example Remove the bracket for the expression 3(a + 4). Example Remove the bracket for the expression 5(2b + 5). Example

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Removal of brackets

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  1. Removal of brackets • Example • Work out each of the following • 4 x 36 = 4x(30+6) • 5 x 18 = 5x(10+8) • 6 x 72 =6x(70+2)

  2. Example Remove the bracket for the expression 3(a + 4) Example Remove the bracket for the expression 5(2b + 5)

  3. Example • Remove the bracket for each of the following expression • 2(2y + 5) = 4y + 10 • 4(5m + 3) = 20m + 12 • 7(3r – 4) = 21r – 28 • 8(2p – 7) = 16p – 56 • 4(5m + 3n) = 20m + 12n • 3(6k – 5d) = 18k – 15d • a(a + 3) = a2 + 3a • b(3b – 8) = 3b2 – 8b

  4. Example • Remove the brackets for each of the following • 4(3c + 7) • 7(2r – 8) • t(t – 5) • 8(3m – 1) • a(4a + 9) • 3(3e + 2f) • b(2 + 5b) • h(3h – 9) • 2y(3y – 5)

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