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 Pythagoras' Theory?


How do you simplify the square root of 18 without using a calculator?


Expand and simplify the expression (x+5)(x+8).


In a class there are 57 students. Of these 32 study Spanish, 40 study German and 12 students study neither. How many students study Spanish but not German?