Quadratic Equations (Edexcel IGCSE Maths): Exam Questions

Solve.

$x^{2}-6x+15=3x-5$

$x=$.............. or $x=$..............

Solve $x^{2}--21x+20=0$

Show your working clearly.

Factorise $x^{2}+2x--24$.

Hence solve $x^{2}+2x--24=0$.

(i) Factorise $x^{2}+9x--22$

(ii) Hence solve $x^{2}+9x--22=0$

Solve $x^{2}-x-12=0$

Solve by factorising.

$x^{2}+9x+20=0$

$x$= ....................... or $x$ = .......................