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 ▸Simplify the following: 5(x+2) - 3(6-x)
Differentiate the following: 5x^3 + 4x^2 + 3x + 2
Factorise 3x^2 + 14x + 8
FIRSTLY: John has a slice of pizza in the exact shape of an isosceles triangle. 2 sides measure Y + 5 and 1 side measures Y – 2. Write an expression for the total perimeter. SECONDLY: Multiply out the following brackets: (3Y + 8)(3Y + 2)