Solve (2- x/2 )^(7)

Question

Simplify the expression

Solution

\frac{16384 - 28672 x + 21504 x ^{2} - 8960 x ^{3} + 2240 x ^{4} - 336 x ^{5} + 28 x ^{6} - x ^{7}}{128}

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Find the roots of the algebra expression

x = 4

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