Equation

Eequation f(x) = 0 has roots x1 = 64, x2 = 100, x3 = 25, x4 = 49. How many roots have equation f(x2) = 0 ?

Correct result:

n =  8

Solution:

y1=8; y2=−8 y3=10; y4=−10 y5=5; y6=−5 y7=7; y8=−7 

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