8x^2=27x

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Solution for 8x^2=27x equation:



8x^2=27x
We move all terms to the left:
8x^2-(27x)=0
a = 8; b = -27; c = 0;
Δ = b2-4ac
Δ = -272-4·8·0
Δ = 729
The delta value is higher than zero, so the equation has two solutions
We use following formulas to calculate our solutions:
$x_{1}=\frac{-b-\sqrt{\Delta}}{2a}$
$x_{2}=\frac{-b+\sqrt{\Delta}}{2a}$

$\sqrt{\Delta}=\sqrt{729}=27$
$x_{1}=\frac{-b-\sqrt{\Delta}}{2a}=\frac{-(-27)-27}{2*8}=\frac{0}{16} =0 $
$x_{2}=\frac{-b+\sqrt{\Delta}}{2a}=\frac{-(-27)+27}{2*8}=\frac{54}{16} =3+3/8 $

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