Factorise 2x^3=10x+12x^2
- Move everything to the same side: 2x^3-12X^2-10x=0 2.Take out a factor of 2x: 2x(x^2-6x-5)=0 3.Complete the square on the quadratic: 2x[(x-3)^2-14]=0
FH
Related Maths GCSE answers
All answers ▸How do I solve simultaneous equations when one of the equations is not linear?
a) If x=4, work out 3(x^2). b) Solve 6x-3=x+11
Find the solutions to the following equation x^2 - 5*x + 6 = 0
Solve the following simultaneous equations to obtain values for x and y: 2x + y = 7 & 3x - y = 8.