# Algebra and Equations Revision Videos

How to solve quadratic equations for Junior Cert.

How to factorise an expression using the difference of two squares.

How to solve a quadratic equation using the difference of two squares.

How to solve a quadratic equation using the guide number method.

How to solve a quadratic equation using the quadratic formula (minus b formula).

How to square brackets for Junior Cert Maths.

How to solve simultaneous equations by elimination and by substitution.

How to add or subtract algebraic fractions.

How to divide algebraic fractions.

How to solve linear inequalities.

Why do we change the direction of the inequality sign when we multiply or divide by a negative number?

How to solve linear equations with fractions.

How to do long division in algebra, step by step.