x^2-9x+20=0

x2-9x+20=0x2-5x-4x+20=0x(x-5)-4(x-5)=0(x-4)(x-5)=0x-4=0x=4x-5=0x=5

GL
Answered by Georgia L. Maths tutor

3069 Views

See similar Maths GCSE tutors

Related Maths GCSE answers

All answers ▸

How do you factorize a quadratic when a ≠ 1 when ax²+bx+c=0


Show that sqrt(20) = 2sqrt(5)


A car depreciates at 8% per year. The initial price of the car is £25,000. How much will the car be worth after 4 years? After how many years will the car be worth less than £14,000?


How do I simplify a fraction with surds on the bottom when the surd is part of a function?


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