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How would you simplify [tex]a(y-b/3a)^3[/tex]

by Strafespar
Tags: ayb or 3a3, simplify
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Strafespar
#1
Mar25-10, 08:04 PM
P: 47
Cannot figure out how to distribute this, please help :D- sorry about title should be [tex]a(y-\frac{b}{3a})^3[/tex]
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berkeman
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Mar25-10, 08:16 PM
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Quote Quote by Strafespar View Post
Cannot figure out how to distribute this, please help :D- sorry about title should be [tex]a(y-\frac{b}{3a})^3[/tex]

Start by writing out the terms to be multiplied:

[tex]a(y-\frac{b}{3a})(y-\frac{b}{3a})(y-\frac{b}{3a})[/tex]

and just multiply terms out After you multiply the first two sets of parens, you will get a quadratic with 3 terms, and then you multiply that by the finl 2-term part in the final parens...


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