Working with multi-variable expressions is a key concept in algebra that involves manipulating expressions containing two or more variables. This video offers a detailed guide on understanding and ...

Trigonometry introduces angles and trigonometric functions such as sine, cosine, and tangent. While directly creating a trigonometric expression that neatly equals 10 is less common, we can combine ...

Algebra uses letters and symbols in the place of numbers and can be used to simplify expressions. Algebraic notation close algebraic notationA series or system of written symbols used to represent ...

"5 And 2 Less Than a Number": This combines everything. We're taking the number 5 and multiplying it by the expression we ...

To expand a bracket means to multiply each term in the bracket by the expression outside the bracket. For example, in the expression \(3(m + 7)\), multiply both \(m\) and 7 by 3, so: \(3(m + 7) = 3 ...