How do I factorise quadratic equations?

Take the example x+ 5x + 6.You need to think of 2 numbers that multiple together to make 6, and add together to make 5. Therefore in the brackets we need 2 and 3. As all the signs are positive in this example, the answer is: (x +3)(x+2) 

Answered by Adam S. Maths tutor

3898 Views

See similar Maths GCSE tutors

Related Maths GCSE answers

All answers ▸

Solve the simultaneous equations: 3x + y = -9, x^2 + 2x - 3 = y


A curve has equation y = x^3 - 48x. The point A on the curve has x coordinate -4. Is A a stationary point?


Show that 12 cos 30° - 2 tan 60° can be written in the form√ k where k is an integer


(a) Expand and simplify (x − 3)(x + 5), ..2 marks.. (b) Solve x^2 + 8x − 9 = 0 ..3 marks..


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