Course content

90 lessons

2.1 · Introduction to algebra

0/8

2.2 · Expanding and simplifying

0/8

2.2 · Factorising and completing the square

0/12

2.3 · Algebraic fractions

0/9

2.4 · Indices II

0/8

2.5 · Linear equations

0/10

2.5 · Simultaneous linear equations

0/8

2.5 · Quadratic equations

0/10

Solving quadratic equations by completing the square

12m

Solving quadratic equations with the quadratic formula

13m

Quadratic equations: solutions in surd form

11m

Constructing and solving quadratic equations

13m

Fractional equations that lead to quadratic equations

13m

Quadratic equations: practice

12m

Quadratic equations: exam practice

15m

Quadratic equations: summary

2.5 · Changing the subject of formulas

0/7

2.6 · Inequalities

0/10

2.5 · Quadratic equationsLesson 2 of 10Free preview

Solving quadratic equations: rearranging to equal zero first

Move every term to one side before you factorise. Never divide by x, or you lose x = 0.