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SS2: MATHEMATICS - 2ND TERM

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  1. Sequence | Week 1
    2 Topics
  2. Series | Week 2
    2 Topics
    |
    1 Quiz
  3. Geometric Progression | Week 3
    2 Topics
    |
    1 Quiz
  4. Linear Equations & Formulae | Week 4
    5 Topics
    |
    1 Quiz
  5. Quadratic Equations II | Week 5
    2 Topics
  6. Quadratic Equations III | Week 6
    1 Topic
  7. Quadratic Equations IV | Week 7
    3 Topics
    |
    1 Quiz
  8. Simultaneous Equations I | Week 8
    2 Topics
  9. Simultaneous Equations II | Week 9
    2 Topics
    |
    1 Quiz
  10. Algebraic Fractions | Week 10
    5 Topics
    |
    1 Quiz



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Topic Content:

  • Equations with Brackets

Hint: To solve an equation containing brackets eliminate the brackets first, collect like terms on separate sides of the equation and then solve the equation.

Example 4.2.2:

Solve the following equations:

i. 8(5p – 1) + 16 = 8(3p – 9)
ii. 2(2y – 5) – (y + 3) = 3(7 – y)
iii. 4(2x + 5) – 2(x – 3) – 8(2x + 4) = 0
iv. 0 = p + 2.5 – (3.6 – p)

Solution:

i. 8(5p – 1) + 16 = 8(3p – 9)

Expand the brackets

40p – 8 + 16 = 24p – 72  

Collect like terms

40p – 24p = 8 -16 -72

 

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