Over a million students use our free study notes to help them with their homework
Method 1: Foil method (each term of the first bracket are multiplied by each term of the second bracket, and hence the product have 4 terms before simplifying)(2x-1)(x+3) = 2xx + 2x3 - 1x -1<...
Simultaneous equations are a set of equations that have multiple common unknown variables such as two equations which both contain the unknowns x and y. To solve a simultaneous equation the trick is to ch...
Firstly, we translate the information give into Maths equation. Therefore, A+D=£63 (the amount of many the spend on the tickets). Given the amount spent by Amy, we can find the total amount Dan spends: D=...
We have two reliable methods of solving this simultaneous equation. We can either eliminate the variables (x or y) directly, or make one of the variables the subject of the equation. I will show you how t...
This equation is an example of a quadratic equation, which is noticeable by the presence of the x2 term on the left hand side. We begin to solve these types of equations by moving all the terms...
←
533
534
535
536
537
→
Internet Safety
Payment Security
Cyber
Essentials
