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6x^2-5x+7=46
We move all terms to the left:
6x^2-5x+7-(46)=0
We add all the numbers together, and all the variables
6x^2-5x-39=0
a = 6; b = -5; c = -39;
Δ = b2-4ac
Δ = -52-4·6·(-39)
Δ = 961
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{961}=31$$x_{1}=\frac{-b-\sqrt{\Delta}}{2a}=\frac{-(-5)-31}{2*6}=\frac{-26}{12} =-2+1/6 $$x_{2}=\frac{-b+\sqrt{\Delta}}{2a}=\frac{-(-5)+31}{2*6}=\frac{36}{12} =3 $
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