👉 Learn how to solve quadratic equations by completing the square. When solving a quadratic equation by completing the ...

👉Learn how to solve a quadratic equation by factoring a perfect square trinomial. A perfect square trinomial quadratic ...

Look at the National 4 factorising section before continuing. When a question asks you to 'solve' a quadratic equation, this means that you are to find the roots of the quadratic. In other words, ...