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

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The discussion focuses on simplifying the expression a(y-\frac{b}{3a})^3. Participants suggest starting by expanding the expression into three factors of (y-\frac{b}{3a}) and then multiplying the resulting terms. The initial multiplication yields a quadratic expression, which is then further multiplied by the leading coefficient a to achieve the final simplified form.

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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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Strafespar said:
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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