\(2x^2 – 7x – 4\) factorises as \((2x + 1)(x – 4)\). \((2x + 1)(x – 4) = 0\). \(2x + 1 = 0 \) means \(x = -\frac{1}{2}\). \(x – 4 = 0\) means \(x = 4 ...
\(3x^2 = 48\) is an example of a quadratic equation that can be solved simply. If \((x + 1)(x + 2) = 0\), then \(x + 1 = 0\) or \(x + 2 = 0\), meaning \(x = -1\) or ...
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 ...
In a boon to algebra students everywhere, a professor at Carnegie Mellon University has devised a simpler and more efficient way to solve problems involving the quadratic equation. The new method was ...