Factorise and thus solve: x^2– 2x– 24 = 0

x=6x=-4

HK

Related Maths GCSE answers

All answers ▸

A different pattern is made using 20 straight lines and 16 arcs. The straight lines and arcs are made of metal. 20 straight lines cost £12 and the cost of one straight line: cost of one arc = 2:3. Work out the total cost of metal in the pattern.


Solve the simultaneous equations: (a) y - 2x = 6; (b) y+2x = 0.


How do you solve inequalities when they involve quadratics? i.e x^2+x-6<0


Write x^2 + 4x + 18 in the form (x + a)^2 + b, where a and b are constants to be determined.