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we factorise a number by finding the common factor.

example: 2x+6 = 2 is the common factor

the 2 is then put outside the bracket

2x+6 = 2(x+3)

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Q: How do you factorise a number?
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Maths. what is to factorise?

To factorise is to find the numbers that divide into the original number by only using prime numbers. For example factorise 20 = 2 times 2 times 5


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How do you factorise a quadratic equation that starts without a number?

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How do you factorise a question that already has brackets?

The answer will depend on where the brackets are. In general the solution would be to expand all the brackets, combine like terms and then factorise.