Solve the following equation: x^2 - 5x - 14 = 0
The equation above is an example of a quadratic. The easiest way of solving this is to split the equation into two brackets, allowing you to equal each individual bracket to zero, and so get a value of x. A very simple way of doing this is using a method called 'farmers fields'. show farmers field method on whiteboardOnce you have the equation in two brackets you can equal each individual to zero to find the two values of x (7 and -2)
NN
Related Maths GCSE answers
All answers ▸A square, with sides of length x cm, is inside a circle. Each vertex of the square is on the circumference of the circle. The area of the circle is 49 cm^2. Work out the value of x. Give your answer correct to 3 significant figures.
Factorise 3x + 6
How do I simplify a surd?
(4x + 3)/(x + 1) + 2 = 8