I know I need to multiply 30 by x and then 7 by x^2, but what do I need to do with the 1? Thanks
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Originally Posted by Local_lunatic I know I need to multiply 30 by x and then 7 by x^2, but what do I need to do with the 1? Thanks Mutiply everything by and see what you get.
Originally Posted by ThePerfectHacker Mutiply everything by and see what you get. or How do you know to multiply it by x^2? Is there a rule or something to follow? Thanks
Originally Posted by Local_lunatic or How do you know to multiply it by x^2? Is there a rule or something to follow? Thanks Since there is an on the bottom of the fraction, to get it to disappear and have a simpler equation to work with, you multiply every term by it.
Originally Posted by Adrienne Since there is an on the bottom of the fraction, to get it to disappear and have a simpler equation to work with, you multiply every term by it. Of course it is, I was thinking that it was x not x^2.. Sometimes I swear my brain isn't switched on! Thanks both of you for your help
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