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 ...
Abstract: Using a new matrix analysis tool, called semi-tensor product of matrices (STP) developed in recent years, this paper investigates the problem of finding control sets (or dominating sets) of ...
Completing the square is a way to solve a quadratic equation if the equation will not factorise. It is often convenient to write an algebraic expression as a square plus another term. The other term ...
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