Fully simplify this equation; 3x^3 - x(3x+36) = 0

The first step is to multiply out the bracket

3x3 - 3x- 36x = 0

Then remove the common factor 3x

3x(x2 - x - 12) = 0

Then factorise the bracket, by looking for two numbers which multiply to give -12, and add to give -1

3x(x - 4)(x + 3) = 0

RO
Answered by Rachel O. Maths tutor

3007 Views

See similar Maths GCSE tutors

Related Maths GCSE answers

All answers ▸

Simplify 24ab^2 / 6b


Simplify fully [(256x^20)/(y^8)]^ (-1/4).


Determine the equation of the line which is perpendicular to y = 2x + 9 and crosses through the point (1,2)


Simplify p^2× p^5


We're here to help

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

© MyTutorWeb Ltd 2013–2025

Terms & Conditions|Privacy Policy
Cookie Preferences