Save guides, add subjects and pick up where you left off with your BBC account. Here are some examples of quadratic equations in this form: \(2x^2 - 2x - 3 = 0\). \(a ...

Quadratic expressions can be written in the form \(ax^2 + bx + c\), where \(a\), \(b\) and \(c\) are numbers. \(a\) is called the coefficient of \(x^2\) and \(b\) is ...