-0.2x^2+x+5=7

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Solution for -0.2x^2+x+5=7 equation: 



-0.2x^2+x+5=7

We move all terms to the left:

-0.2x^2+x+5-(7)=0

We add all the numbers together, and all the variables

-0.2x^2+x-2=0

a = -0.2; b = 1; c = -2;
Δ = b2-4ac
Δ = 12-4·(-0.2)·(-2)
Δ = -0.6
Delta is less than zero, so there is no solution for the equation

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