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1/2x+1/4=3/4x+4
We move all terms to the left:
1/2x+1/4-(3/4x+4)=0
Domain of the equation: 2x!=0
x!=0/2
x!=0
x∈R
Domain of the equation: 4x+4)!=0We get rid of parentheses
x∈R
1/2x-3/4x-4+1/4=0
We calculate fractions
64x/128x^2+(-6x)/128x^2+2x/128x^2-4=0
We multiply all the terms by the denominator
64x+(-6x)+2x-4*128x^2=0
We add all the numbers together, and all the variables
66x+(-6x)-4*128x^2=0
Wy multiply elements
-512x^2+66x+(-6x)=0
We get rid of parentheses
-512x^2+66x-6x=0
We add all the numbers together, and all the variables
-512x^2+60x=0
a = -512; b = 60; c = 0;
Δ = b2-4ac
Δ = 602-4·(-512)·0
Δ = 3600
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}$$x_{2}=\frac{-b+\sqrt{\Delta}}{2a}$$\sqrt{\Delta}=\sqrt{3600}=60$$x_{1}=\frac{-b-\sqrt{\Delta}}{2a}=\frac{-(60)-60}{2*-512}=\frac{-120}{-1024} =15/128 $$x_{2}=\frac{-b+\sqrt{\Delta}}{2a}=\frac{-(60)+60}{2*-512}=\frac{0}{-1024} =0 $
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