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4x+10-1/2x=22
We move all terms to the left:
4x+10-1/2x-(22)=0
Domain of the equation: 2x!=0We add all the numbers together, and all the variables
x!=0/2
x!=0
x∈R
4x-1/2x-12=0
We multiply all the terms by the denominator
4x*2x-12*2x-1=0
Wy multiply elements
8x^2-24x-1=0
a = 8; b = -24; c = -1;
Δ = b2-4ac
Δ = -242-4·8·(-1)
Δ = 608
The delta value is higher than zero, so the equation has two solutions
We use following formulas to calculate our solutions:$x_{1}=\frac{-b-\sqrt{\Delta}}{2a}$$x_{2}=\frac{-b+\sqrt{\Delta}}{2a}$
The end solution:
$\sqrt{\Delta}=\sqrt{608}=\sqrt{16*38}=\sqrt{16}*\sqrt{38}=4\sqrt{38}$$x_{1}=\frac{-b-\sqrt{\Delta}}{2a}=\frac{-(-24)-4\sqrt{38}}{2*8}=\frac{24-4\sqrt{38}}{16} $$x_{2}=\frac{-b+\sqrt{\Delta}}{2a}=\frac{-(-24)+4\sqrt{38}}{2*8}=\frac{24+4\sqrt{38}}{16} $
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