Solve the equation for x: 3x^2 -5 = 22

x =3 or x= -3

RM
Answered by Rachel M. Maths tutor

3611 Views

See similar Maths GCSE tutors

Related Maths GCSE answers

All answers ▸

The equation of a curve is y = (x + 3)^2 + 5. Find the coordinates of the turning point.


If the two shorter lengths of the triangle have sizes 4cm and 3cm, what is the length of the longest side?


What is Pythagoras' Theorem and how do I use it?


HIGHER TIER a) Factorise the following equation into two bracket form: 2x^2-5x-12. b)2x^2-5x-12=0. Solve this equation to find the values of x, using your answer to part a). BONUS c) Sketch the function y=2x^2-5x-12, showing any x intercepts


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