Sometimes we have to form quadratic equations to help us solve problems. Dave has a box which has one side of length (\({x}\) – 3) and another side of length (\({x}\) + 2). Find an expression for the ...

Completing the square is a common process that students struggle with that I am no stranger to. In this video I will highlight the mistakes I made as well as my students. ***Older Videos on Completing ...

👉 Learn how to find the value c that completes the square in a quadratic expression. A quadratic expression is an expression ...

In a quadratic expression, the highest power of \(x\) is \(x^2\). Factorise \(x^2 + 7x + 10\). To factorise this expression, find two numbers that have a product of +10 and a sum of +7. There are four ...