-x^2=1/2+2

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Solution for -x^2=1/2+2 equation:



-x^2=1/2+2
We move all terms to the left:
-x^2-(1/2+2)=0
We add all the numbers together, and all the variables
-1x^2-(1/2+2)=0
We get rid of parentheses
-1x^2-2-1/2=0
We multiply all the terms by the denominator
-1x^2*2-1-2*2=0
We add all the numbers together, and all the variables
-1x^2*2-5=0
Wy multiply elements
-2x^2-5=0
a = -2; b = 0; c = -5;
Δ = b2-4ac
Δ = 02-4·(-2)·(-5)
Δ = -40
Delta is less than zero, so there is no solution for the equation

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