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

3145 Views

See similar Maths GCSE tutors

Related Maths GCSE answers

All answers ▸

In trigonometry , how do you find the angles of a right angle triangle?


The point P(-3,9) belongs to a line intercepting the origin. Find the equation of the line.


A ladder 6·8m long is leaning against a wall. The foot of the ladder is 1·5m from the wall. Calculate the distance the ladder reaches up the wall.


A point A lies on the line y = 2x^2 - 8x + 2. A has y-coordinate (-4). Find all possible values for the x-coordinate of A.


We're here to help

contact us iconContact ustelephone icon+44 (0) 203 773 6020
Facebook logoInstagram logoLinkedIn logo

© MyTutorWeb Ltd 2013–2025

Terms & Conditions|Privacy Policy
Cookie Preferences