Solve x^2+3x-18=0 for x

X=6 X=-3This simple question is the fundamental step of a vest argebra topics. Having a good understanding of this topic is crucial to studens who want to do well. Alternative method is to use quadratic formulas or complete the square which you should come across in future. In this case by deduction is completely fine.

RL
Answered by RongFang L. Maths tutor

2954 Views

See similar Maths GCSE tutors

Related Maths GCSE answers

All answers ▸

3^a = 1/9, 3^b = 9sqrt(3) c = 1/sqrt(3). Work out the value of a + b + c


Solve the simultaneous equations: 3x + 2y = 4 and 4x + 5y = 17


Solve "x^2 - 12x - 45 = 0" by completing the square


What is a linear equation?


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:

© 2025 by IXL Learning