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    I am not sure on how to simplify binomial expansions and I need help, an example is (2+6x)^-3 can somebody explain how to simplify it as I'm really confused, thanks
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    Factor out 2 to become 2^-3(1+3x)^-3


    Can you carry on from there?
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    (Original post by metrize)
    Factor out 2 to become 2^-3(1+3x)^-3


    Can you carry on from there?
    so is the final answer 1/8(1+3x)^-3?
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    (Original post by Jack_Miller)
    so is the final answer 1/8(1+3x)^-3?
    Yeah do the expansion for (1+3x)^-3 and then multiply term by term by 1/8
 
 
 
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