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Q: How do you factorise 9a²-25?

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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

It is: a(7a-8b)

-5

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.

-5

Related questions

a stopper 2166736d-9a25-4e71-b79f-541bf832d1ef 1.03.01

a²-a = a(a-1)

Factorise fully is when brackets are involved in the equation

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

a stopperType your answer here... 2166736d-9a25-4e71-b79f-541bf832d1ef 1.03.01

you do (245x)

to put into brackets

a(5+b)

6(t2s)

It is the opposite of Expanding The Brackets

It is: a(7a-8b)

m(g-a)

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