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=-16H^2+10H+5
We move all terms to the left:
-(-16H^2+10H+5)=0
We get rid of parentheses
16H^2-10H-5=0
a = 16; b = -10; c = -5;
Δ = b2-4ac
Δ = -102-4·16·(-5)
Δ = 420
The delta value is higher than zero, so the equation has two solutions
We use following formulas to calculate our solutions:$H_{1}=\frac{-b-\sqrt{\Delta}}{2a}$$H_{2}=\frac{-b+\sqrt{\Delta}}{2a}$
The end solution:
$\sqrt{\Delta}=\sqrt{420}=\sqrt{4*105}=\sqrt{4}*\sqrt{105}=2\sqrt{105}$$H_{1}=\frac{-b-\sqrt{\Delta}}{2a}=\frac{-(-10)-2\sqrt{105}}{2*16}=\frac{10-2\sqrt{105}}{32} $$H_{2}=\frac{-b+\sqrt{\Delta}}{2a}=\frac{-(-10)+2\sqrt{105}}{2*16}=\frac{10+2\sqrt{105}}{32} $
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