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anonymous

  • 5 years ago

(x-4)^8

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  1. anonymous
    • 5 years ago
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    Are you trying to factor this?

  2. anonymous
    • 5 years ago
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    what do you wana ask in this ?

  3. anonymous
    • 5 years ago
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    Do you need to expand? If so, use Pascal's Triangle. You could also use binomial expansion or FOILing many times over, but I like Pascal. 1) Use the 9th line of Pascal's Triangle as your coefficients: 1-8-28-56-70-56-28-8-1 2) Now follow the pattern. The first term starts at 8 and goes in descending order. The second term starts at 0 and goes in ascending order. It's not complete, but if you follow the pattern you'll see. \[1x ^{8}(-4)^{0}+8x ^{7}(-4)^{1}+28x ^{6}(-4)^{2}+35x ^{5}(-4)^{3}+...+8x ^{1}(-4)^{7}+1x ^{0}(-4)^{8}\] 3) Simplify! Some teachers just want the expanded version so make sure you follow what they say. Hope this helps! Buena suerte.

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