5-2x^2=7

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



5-2x^2=7

We move all terms to the left:

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

We add all the numbers together, and all the variables

-2x^2-2=0

a = -2; b = 0; c = -2;
Δ = b2-4ac
Δ = 02-4·(-2)·(-2)
Δ = -16
Delta is less than zero, so there is no solution for the equation

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