To remove brackets is to multiply the term outside the brackets by each term inside. Factorising an expression is to write it as a product of its factors. Check your understanding of the process with ...

Math Riddles: Today we bring fun and interactive Algebra math puzzles for students to prepare better for Class 8 Important Topic which is Algebraic Expressions and Identities. Students can learn and ...

To check your answer when factorising multiply out the brackets to find if the answer matches with the question. If it doesn't, then you'll know there's something wrong. The first thing to do is find ...

Abstract: In this research, we propose a method to estimate the algebraic Riccati equation (ARE) under the assumption that the system is unknown, but its state and input can be observed. The ARE is ...