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 ▸

If it takes 5 machines 5 minutes to make 5 widgets, how long would it take 100 machines to make 100 widgets?


f(x)=2x^2 -8 What is the value of x if f(x)=0, x>0


Expand and simplify the following equation: 3(2a+2) + 4(b+4)


Find the area of a circle with a diameter of 4cm.