Factorise the equation below (1)

(1) x2 + 15x + 56 = 0

56 = 1 x 56, 2 x 26, 4 x 14, 7 x 8

7 + 8 = 15

Hence, factorised equation is (x + 7)(x + 8) = 0

FT
Answered by Fraser T. Maths tutor

2895 Views

See similar Maths GCSE tutors

Related Maths GCSE answers

All answers ▸

How do you find the y-axis intercept of a straight line?


Find the roots of the formula x^2 + 4x + 3 by factorising.


Show that (x + 4)(x + 5)(x + 6) can be written in the form ax3 + bx2 + cx + d where a, b, c and d are positive integers.


How do you factorise a quadratic? Something like x^2 + 4x + 3


We're here to help

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

© MyTutorWeb Ltd 2013–2025

Terms & Conditions|Privacy Policy
Cookie Preferences