Quadratic equations are polynomials, meaning strings of math terms. An expression like “x + 4” is a polynomial. They can have one or many variables in any combination, and the magnitude of them is ...

Changing the subject – formulas with fractions If the target subject is part of a fraction, multiply both sides by the denominator of the fraction – just as you would to solve an equation.

Revise all formulas, definitions and properties from Class 10 Maths Chapter 3 - Pair of Linear Equations in Two Variables to prepare well for the CBSE Board Exam 2021-2022.

3rd level Maths Expressions and equations learning resources for adults, children, parents and teachers.

Algebraic problems are equations that ask you to solve for unknown quantities, called variables. A simple algebraic equation is 5x - 5 = 10.