7x2=252

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Solution for 7x2=252 equation:



7x^2=252
We move all terms to the left:
7x^2-(252)=0
a = 7; b = 0; c = -252;
Δ = b2-4ac
Δ = 02-4·7·(-252)
Δ = 7056
The delta value is higher than zero, so the equation has two solutions
We use following formulas to calculate our solutions:
$x_{1}=\frac{-b-\sqrt{\Delta}}{2a}$
$x_{2}=\frac{-b+\sqrt{\Delta}}{2a}$

$\sqrt{\Delta}=\sqrt{7056}=84$
$x_{1}=\frac{-b-\sqrt{\Delta}}{2a}=\frac{-(0)-84}{2*7}=\frac{-84}{14} =-6 $
$x_{2}=\frac{-b+\sqrt{\Delta}}{2a}=\frac{-(0)+84}{2*7}=\frac{84}{14} =6 $

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