Factorise x 2 − x − 12

X2 - X -12 look at what numbers will add together and make 12. (2x6) or (3x4)Then see what of these combinations, when added together, makes -1. you have to consider that one of these values will be negativeIn this case it would be -4 and 3. (-4+3 = -1 and -4x3 = -12)Therefore factorised...(X-4)(X+3)

VV
Answered by Vicky V. Maths tutor

4318 Views

See similar Maths GCSE tutors

Related Maths GCSE answers

All answers ▸

expand and simplify (x+1)(x-1)


2x + 5y =33 x+3y = 19


How to add fractions


In a class of 28 students, the average height of the 12 boys is 1.58 metres. The average height of the class is 1.52 metres. What is the average of the girls?


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