Solve the equation x^2-9x+20

Multiples that equal 20: 1 and 20, 2 and 10, 4 and 5Which of these multiples add/subtract to give -9?= -4 and -5Therefore answer is:(x-4)(x-5)=0x= 4 or x= 5

Answered by Megan C. Maths tutor

3443 Views

See similar Maths GCSE tutors

Related Maths GCSE answers

All answers ▸

Solve the simultaneous equations: 4x + 7y = 1, 3x + 10y = 15.


v^2=u^2+2as, make "a" the subject of the formula.


Functions f and g are such that f(x) = x^2, g(x) = x-3. Solve gf(x)=g^-1(x)


What are the two roots of the equation (4x-8)(x-3) = 0?


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