Solve the following equation: x^2- x - 12 = 0

When looking at this equation, we need to think of two numbers that multiply together to give 12 and have a difference of one. We can rewrite the equation as the following: (x-4)(x+3) = 0 Solving for x:This gives two solutions of x=4 and x=-3

DL

Related Maths GCSE answers

All answers ▸

What is the sum of 3/5 and 7/8?


200 pupils are taking a school trip. Some are flying, some are taking the bus. There are three times as many boys going as girls. One third of the boys going are flying. How many boys are getting the bus?


How do you find the area of a semi circle with a radius of 7cm?


Work out the area of this triangle given the lengths of 1 sides (a) and 2 angles (A and B) using either the sine rule