100=8x-5x^2

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Solution for 100=8x-5x^2 equation: 



100=8x-5x^2

We move all terms to the left:

100-(8x-5x^2)=0

We get rid of parentheses

5x^2-8x+100=0

a = 5; b = -8; c = +100;
Δ = b2-4ac
Δ = -82-4·5·100
Δ = -1936
Delta is less than zero, so there is no solution for the equation

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