-7x^2+2x=4

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Solution for -7x^2+2x=4 equation: 



-7x^2+2x=4

We move all terms to the left:

-7x^2+2x-(4)=0

a = -7; b = 2; c = -4;
Δ = b2-4ac
Δ = 22-4·(-7)·(-4)
Δ = -108
Delta is less than zero, so there is no solution for the equation

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