An equation with brackets must be expanded before it is solved. An understanding of expanding brackets is essential when solving equations with brackets. Some equations include a set of brackets. When ...

'I think of a number, add four, and the answer is seven.' Written algebraically, this statement is \(x + 4 = 7\), where \(x\) represents the number you thought of. \(x + 4 = 7\) is an example of an ...

This jingle has helped generations of algebra students recall the quadratic formula that solves every equation of the form $latex ax^2+bx+c=0$. The formula is as ...