How do I factorise and solve 2x^2+4x-6=0?

The 2 in front of the x^2 can cause confusion. In this case, the equation can be divided through by 2, to produce x^2+2x-3=0. From here it can be factorised by working out what adds to make '2' and times to make '-3'. The answer is -1 and 3. The equation can be factorised as (x-1)(x+3)=0. As the equation equals zero, one or both of the brackets must equal zero too. therefore; x-1=0 means x=1 and x+3=0 means x=-3.

MR
Answered by Madeleine R. Maths tutor

10456 Views

See similar Maths GCSE tutors

Related Maths GCSE answers

All answers ▸

how do you solve a linear equation where there are unknowns on each side e.g. 4(k + 7) = 12k + 4


How to solve how many sweets Hanna had?


What is the difference between unconditional and conditional probability?


What is the easiest way to expand quadratic equations?


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