(5x2+7=)

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Solution for (5x2+7=) equation: 



(5x^2+7=)

We move all terms to the left:

(5x^2+7-())=0



We calculate terms in parentheses: +(5x^2+7-()), so:

5x^2+7-()

We add all the numbers together, and all the variables

5x^2

Back to the equation:

+(5x^2)



a = 5; b = 0; c = 0;
Δ = b2-4ac
Δ = 02-4·5·0
Δ = 0
Delta is equal to zero, so there is only one solution to the equation

                              Stosujemy wzór:
$x=\frac{-b}{2a}=\frac{0}{10}=0$

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