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CAIE IGCSE Mathematics Extended E2.5.1 Equations

CAIE IGCSE Mathematics Extended E2.5.1 Equations
Cambridge IGCSE Mathematics 0580 syllabus for exams in 2028, 2029 and 20302028–2030

Practise forming and solving equations, from factorised quadratics to simultaneous line-curve systems and rearranged formulae.

How this is tested

  • show a contextual equation simplifies to a given quadratic by clearing fractions correctly
  • solve quadratics by factorisation or formula, giving decimal answers when requested
  • rearrange formulae with algebraic denominators by collecting the required variable

Question 11(b)

[Maximum number: 4]

Gaya spends $ 48 to buy books that cost $ x each.

Myra spends $ 60 to buy books that cost $(x+2) each. Gaya buys 4 more books than Myra.

Show that x2+5x24=0x^{2}+5 x-24=0.