How do I factorise quadratic equations?
Take the example x2 + 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)
AS
Related Maths GCSE answers
All answers ▸By plotting appropriate graphs, find x to the nearest integer if x^2+3=2-4x.
Solve x^2+7x+12=0
What is Pythagoras' Theorem and how do you use it?
A is the point (2,-5), B is the point (-1,4). (a) What is the gradient of the line passing through points A and B? (b) Does the point (-100,301) lie on the line passing through points A and B?