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(1/2)a-(1/2)=-4
We move all terms to the left:
(1/2)a-(1/2)-(-4)=0
Domain of the equation: 2)a!=0We add all the numbers together, and all the variables
a!=0/1
a!=0
a∈R
(+1/2)a-(+1/2)-(-4)=0
We add all the numbers together, and all the variables
(+1/2)a+4-(+1/2)=0
We multiply parentheses
a^2+4-(+1/2)=0
We get rid of parentheses
a^2+4-1/2=0
We multiply all the terms by the denominator
a^2*2-1+4*2=0
We add all the numbers together, and all the variables
a^2*2+7=0
Wy multiply elements
2a^2+7=0
a = 2; b = 0; c = +7;
Δ = b2-4ac
Δ = 02-4·2·7
Δ = -56
Delta is less than zero, so there is no solution for the equation
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