6x^2=70-16x

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Solution for 6x^2=70-16x equation:



6x^2=70-16x
We move all terms to the left:
6x^2-(70-16x)=0
We add all the numbers together, and all the variables
6x^2-(-16x+70)=0
We get rid of parentheses
6x^2+16x-70=0
a = 6; b = 16; c = -70;
Δ = b2-4ac
Δ = 162-4·6·(-70)
Δ = 1936
The delta value is higher than zero, so the equation has two solutions
We use following formulas to calculate our solutions:
$x_{1}=\frac{-b-\sqrt{\Delta}}{2a}$
$x_{2}=\frac{-b+\sqrt{\Delta}}{2a}$

$\sqrt{\Delta}=\sqrt{1936}=44$
$x_{1}=\frac{-b-\sqrt{\Delta}}{2a}=\frac{-(16)-44}{2*6}=\frac{-60}{12} =-5 $
$x_{2}=\frac{-b+\sqrt{\Delta}}{2a}=\frac{-(16)+44}{2*6}=\frac{28}{12} =2+1/3 $

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