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x^2-23x^2+49=0
We add all the numbers together, and all the variables
-22x^2+49=0
a = -22; b = 0; c = +49;
Δ = b2-4ac
Δ = 02-4·(-22)·49
Δ = 4312
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}$$x_{2}=\frac{-b+\sqrt{\Delta}}{2a}$
The end solution:
$\sqrt{\Delta}=\sqrt{4312}=\sqrt{196*22}=\sqrt{196}*\sqrt{22}=14\sqrt{22}$$x_{1}=\frac{-b-\sqrt{\Delta}}{2a}=\frac{-(0)-14\sqrt{22}}{2*-22}=\frac{0-14\sqrt{22}}{-44} =-\frac{14\sqrt{22}}{-44} =-\frac{7\sqrt{22}}{-22} $$x_{2}=\frac{-b+\sqrt{\Delta}}{2a}=\frac{-(0)+14\sqrt{22}}{2*-22}=\frac{0+14\sqrt{22}}{-44} =\frac{14\sqrt{22}}{-44} =\frac{7\sqrt{22}}{-22} $
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