solve 15x = 6x^3 + 8x^2

6x3 + 8x2 -15x = 0x(6x2 + 8x - 15) = 0x=06x2 + 8x - 15 = 0Quadratic formula ( can demonstrate in interview)x = 0 or x = 1.049 or x = -2.38

Answered by Lewis L. Maths tutor

2214 Views

See similar Maths GCSE tutors

Related Maths GCSE answers

All answers ▸

Adam is going to get a loan of £ 720 to help pay for the holiday. Adam will have to pay back the £ 720 plus interest of 15 %. He will pay this back in 12 equal monthly installments. How much money will Adam pay back each month?


How do you calculate arc length and sector area and why is it calculated like this? You are given sector angle 40 degrees and radius 7cm and asked to give answers to 3sf.


Solve the simultaneous equations 2x + y = 7 and 3x - y = 8


I have a bag with 4 different coloured marbles. Blue, green, red, and orange. I have 2x,7,7x + 5,4x -3 of each coloured marble respectively. If the probability of a green marble being picked is 7/100, find the probability of an orange marble being picked.


We're here to help

contact us iconContact usWhatsapp logoMessage us on Whatsapptelephone icon+44 (0) 203 773 6020
Facebook logoInstagram logoLinkedIn logo
Cookie Preferences