ABC News’ Alexis Christoforous reports on e.l.f. Beauty’s acquisition of Hailey Bieber's skincare brand.

For students between the ages of 11 and 14. Collecting like terms Learn what like and unlike terms are and simplify algebraic expressions by collecting like terms with this BBC Bitesize Maths article.

Collecting like terms means to simplify terms in expressions in which the variables are the same. In the expression \(5a + 2b + 3a - 6b\), the terms \(5a\) and \(+ 3a\) are like terms, as are \(2b ...