8k(k+2)=6k-3

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Solution for 8k(k+2)=6k-3 equation:



8k(k+2)=6k-3
We move all terms to the left:
8k(k+2)-(6k-3)=0
We multiply parentheses
8k^2+16k-(6k-3)=0
We get rid of parentheses
8k^2+16k-6k+3=0
We add all the numbers together, and all the variables
8k^2+10k+3=0
a = 8; b = 10; c = +3;
Δ = b2-4ac
Δ = 102-4·8·3
Δ = 4
The delta value is higher than zero, so the equation has two solutions
We use following formulas to calculate our solutions:
$k_{1}=\frac{-b-\sqrt{\Delta}}{2a}$
$k_{2}=\frac{-b+\sqrt{\Delta}}{2a}$

$\sqrt{\Delta}=\sqrt{4}=2$
$k_{1}=\frac{-b-\sqrt{\Delta}}{2a}=\frac{-(10)-2}{2*8}=\frac{-12}{16} =-3/4 $
$k_{2}=\frac{-b+\sqrt{\Delta}}{2a}=\frac{-(10)+2}{2*8}=\frac{-8}{16} =-1/2 $

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