how do I factorise this?

4x (squared) - 9x





also how do u use a number squared in a computer?

Kate, please see the below link.

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Thank you.

Answer to 2nd question:
4x^2-9x is just one way; really in computerease it's

4*X^2-9*X

There are fancier ways of doing it here, but I haven't learned yet. The equation editior with Microsoft Word works.

Quote:

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Originally Posted by kate_costner

how do I factor this?
4x (squared) - 9x

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