In a quadratic expression using \(x\) as the variable, 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 ...
To factorise a trinomial expression, put it back into a pair of brackets. To find the terms that go in each bracket, look for a pair of numbers which multiply to give the last number and add together ...
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