Factorise x^2-7x+12

First write down all the factor pairs of 12 (1,12) (-1,-12) (3,4) (-3,-4) (6,2) (-6,-2).

From these factors, find a pair that, when added together, is equal to -7.

In this case the correct pair would be -3 and -4 as -3+-4 = -7

the solution is therefore (x-3)(x-4)

Answered by Harry D. Maths tutor

8463 Views

See similar Maths GCSE tutors

Related Maths GCSE answers

All answers ▸

explain and show how quadratic equations are solved


Simplify 24ab^2 / 6b


How do you approach a simultaneous equations problem?


Solve for x and y: 2x +5y + 5= 0 , 2y + 31= 5x


We're here to help

contact us iconContact usWhatsapp logoMessage us on Whatsapptelephone icon+44 (0) 203 773 6020
Facebook logoInstagram logoLinkedIn logo
Cookie Preferences