Thursday, May 14, 2015

Find all zeros of the polynomial: P(x)=(x^2+4)(x^2+x)-(x^2+4)

%28x%5E2%2B4%29%28x%5E2%2Bx%29-%28x%5E2%2B4%29=%28x%5E2%2B4%29%28x%5E2%2Bx-1%29=0 

solutions are
x=+-2i, x=2i
and
%0D%0Ax+=+%28-1+%2B-+sqrt%285%29%29%2F2%0D%0A+
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