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

x =3 or x= -3

RM
Answered by Rachel M. Maths tutor

3606 Views

See similar Maths GCSE tutors

Related Maths GCSE answers

All answers ▸

How can you add and subtract fractions with surds in them?


How do you solve an algebraic equation?


2017 Edexcel Summer 2017 Q18) 16^1/5 × 2^x = 8^3/4 Work out the exact value of x


A right-angle triangle has three sides (diagram would be included). Side A = 3cm; Side B = 7cm. What is the length of Side C (the hypotenuse)? Give your answer to 2 d.p.


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