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 ▸David travels from home to work at 30 mph. At the end of the day, he travels from work back home via the same route at 40 mph. What is his average speed while travelling? (Give your answer as a simplified fraction) (None-Calculator)
Express 0.545454... as a fraction in its simplest form.
Lottie has a bag of applies. She gives half of them to Fred. Fred eats two and then has four left. How many apples did Lottie have at the start?
Prove that the square of an odd number is always 1 more than a multiple of 4