(x+3)(x+3)=X^2+81

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Solution for (x+3)(x+3)=X^2+81 equation: 


Simplifying
(x + 3)(x + 3) = X2 + 81

Reorder the terms:
(3 + x)(x + 3) = X2 + 81

Reorder the terms:
(3 + x)(3 + x) = X2 + 81

Multiply (3 + x) * (3 + x)
(3(3 + x) + x(3 + x)) = X2 + 81
((3 * 3 + x * 3) + x(3 + x)) = X2 + 81
((9 + 3x) + x(3 + x)) = X2 + 81
(9 + 3x + (3 * x + x * x)) = X2 + 81
(9 + 3x + (3x + x2)) = X2 + 81

Combine like terms: 3x + 3x = 6x
(9 + 6x + x2) = X2 + 81

Reorder the terms:
9 + 6x + x2 = 81 + X2

Solving
9 + 6x + x2 = 81 + X2

Solving for variable 'x'.

Reorder the terms:
9 + -81 + -1X2 + 6x + x2 = 81 + X2 + -81 + -1X2

Combine like terms: 9 + -81 = -72
-72 + -1X2 + 6x + x2 = 81 + X2 + -81 + -1X2

Reorder the terms:
-72 + -1X2 + 6x + x2 = 81 + -81 + X2 + -1X2

Combine like terms: 81 + -81 = 0
-72 + -1X2 + 6x + x2 = 0 + X2 + -1X2
-72 + -1X2 + 6x + x2 = X2 + -1X2

Combine like terms: X2 + -1X2 = 0
-72 + -1X2 + 6x + x2 = 0

The solution to this equation could not be determined.

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