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-2y*y-3y+24=0
We add all the numbers together, and all the variables
-3y-2y*y+24=0
Wy multiply elements
-2y^2-3y+24=0
a = -2; b = -3; c = +24;
Δ = b2-4ac
Δ = -32-4·(-2)·24
Δ = 201
The delta value is higher than zero, so the equation has two solutions
We use following formulas to calculate our solutions:$y_{1}=\frac{-b-\sqrt{\Delta}}{2a}$$y_{2}=\frac{-b+\sqrt{\Delta}}{2a}$$y_{1}=\frac{-b-\sqrt{\Delta}}{2a}=\frac{-(-3)-\sqrt{201}}{2*-2}=\frac{3-\sqrt{201}}{-4} $$y_{2}=\frac{-b+\sqrt{\Delta}}{2a}=\frac{-(-3)+\sqrt{201}}{2*-2}=\frac{3+\sqrt{201}}{-4} $
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