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

LL
Answered by Lewis L. Maths tutor

2830 Views

See similar Maths GCSE tutors

Related Maths GCSE answers

All answers ▸

A (0,2) and B (6,5) are points on the straight line ABCD. AB=BC=CD. Work out the co-ordinates of D.


Eleri invests £3700 for 3 years at 2% per annum compound interest. Calculate the value of her investment at the end of the 3 years. Give your answer correct to the nearest penny.


Line segment AB is drawn between point A(-3, 3) and point B(-1, -1). Work out the gradient of the line segment AB, then find the equation of the graph.


How do you solve quadratic inequalities?


We're here to help

contact us iconContact ustelephone icon+44 (0) 203 773 6020
Facebook logoInstagram logoLinkedIn logo

MyTutor is part of the IXL family of brands:

© 2026 by IXL Learning