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 ...
These can be tough, but use this method to minimise losing marks. The trick with this one is to always double check your answer by multiplying out the brackets and comparing your answer with the ...
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