Recently published items

Solving a quadratic equation of the form $ax^2+bx+c=0$.

Determining the number of real roots a quadratic equation has by evaluating and interpreting the discriminant.

Factorising a quadratic expression of the form $a^2x^2-b^2$ to $(ax+b)(ax-b)$, using the difference of two squares formula.

Factorising a quadratic expression of the form $ax^2+bx+c$, where $a>1$.

Factorising a quadratic expression with the $x^2$-term having a coefficient of 1.

Factorising a quadratic expression of the form $ax^2+bx+c$ by completing the square.

Finding the product of a linear function of the form $mx+c$ and a cubic function of the form $ax^3+bx^2+cx+d$.

Finding the product of two linear functions of the form $mx+c$ and a quadratic function of the form $ax^2+bx+c$.

Finding the product of three linear functions of the form $mx+c$.

Finding the product of two linear functions of the form $mx+c$.