7^2-x^2=56

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Solution for 7^2-x^2=56 equation: 



7^2-x^2=56

We move all terms to the left:

7^2-x^2-(56)=0

determiningTheFunctionDomain
-x^2-56+7^2=0

We add all the numbers together, and all the variables

-1x^2-7=0

a = -1; b = 0; c = -7;
Δ = b2-4ac
Δ = 02-4·(-1)·(-7)
Δ = -28
Delta is less than zero, so there is no solution for the equation

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