Factorise x^2 −x−12

To factorise you need to look at common factors. And it needs to be put into the expression (x+/- y)(x+/- v)For X2-X-12, you need two numbers that times to make -12 and add to make -1-1X12, -12X1, -6X2, -2X6, -4X3, -3X4Out of the options -4 and 3 add to make -1Therefore, (x-4)(x+3) is the factorisation

LP
Answered by Lauryn P. Maths tutor

3096 Views

See similar Maths GCSE tutors

Related Maths GCSE answers

All answers ▸

Factorise fully 3a^3b + 12a^2b^2 + 9a^5b^3


Write 0.72727272 as a fraction in its simplest form


The ratio of Adam's age to Bob's age is 1:2. In 12 years time, the ratio of their ages will be 3:5. Calculate their current ages.


At a football game number of men : number of women : number of children = 13 : 5 : 7 There are 4152 more men than women. Work out the number of children at the game.


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