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I know my work is wrong but I'm not sure how its wrong (Pascals triangle, expanding binomials)
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The highlighted part I am pretty sure isn't right
Supposed to be like \(1(2x)^3(4)^0 + 3(2x)^2(4)^1 + 3(2x)^1(4)^2+1(2x)^0(4)^3\)
Oh!
Thanks man
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Which is reduced to \(8 x^3+48 x^2+96 x+64\) No problem!
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