2(4x^2+7x)=3x^2=9x=35

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Solution for 2(4x^2+7x)=3x^2=9x=35 equation:



2(4x^2+7x)=3x^2=9x=35
We move all terms to the left:
2(4x^2+7x)-(3x^2)=0
determiningTheFunctionDomain -3x^2+2(4x^2+7x)=0
We multiply parentheses
-3x^2+8x^2+14x=0
We add all the numbers together, and all the variables
5x^2+14x=0
a = 5; b = 14; c = 0;
Δ = b2-4ac
Δ = 142-4·5·0
Δ = 196
The delta value is higher than zero, so the equation has two solutions
We use following formulas to calculate our solutions:
$x_{1}=\frac{-b-\sqrt{\Delta}}{2a}$
$x_{2}=\frac{-b+\sqrt{\Delta}}{2a}$

$\sqrt{\Delta}=\sqrt{196}=14$
$x_{1}=\frac{-b-\sqrt{\Delta}}{2a}=\frac{-(14)-14}{2*5}=\frac{-28}{10} =-2+4/5 $
$x_{2}=\frac{-b+\sqrt{\Delta}}{2a}=\frac{-(14)+14}{2*5}=\frac{0}{10} =0 $

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