Cambridge O Level Mathematics: Algebra (4024)

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Course content

90 lessons

2.1 · Introduction to algebra

0/8

2.2 · Expanding and simplifying

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2.2 · Factorising and completing the square

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Factorising by extracting common factors

Preview11m

Factorising by grouping

Preview11m

Factorising the difference of two squares

11m

Factorising perfect squares

10m

Factorising quadratic expressions: x² + bx + c

12m

Factorising quadratic expressions: ax² + bx + c

12m

Factorising expressions of the form ax³ + bx² + cx

11m

Completing the square

12m

Completing the square when a is not 1

12m

Factorising and completing the square: practice

12m

Factorising and completing the square: exam practice

15m

Factorising and completing the square: summary

2.3 · Algebraic fractions

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2.4 · Indices II

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2.5 · Linear equations

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2.5 · Simultaneous linear equations

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2.5 · Quadratic equations

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2.5 · Changing the subject of formulas

0/7

2.6 · Inequalities

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2.2 · Factorising and completing the squareLesson 9 of 12

Completing the square when a is not 1

Take a out of the x terms first: 2x² + 12x + 7 = 2(x + 3)² - 11.

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