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 ...
In a quadratic expression, the highest power of \(x\) is \(x^2\). Factorise \(x^2 + 7x + 10\). To factorise this expression, find two numbers that have a product of +10 and a sum of +7. There are a ...
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