z^2-10z+36=0

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Solution for z^2-10z+36=0 equation:


Simplifying
z2 + -10z + 36 = 0

Reorder the terms:
36 + -10z + z2 = 0

Solving
36 + -10z + z2 = 0

Solving for variable 'z'.

Begin completing the square.

Move the constant term to the right:

Add '-36' to each side of the equation.
36 + -10z + -36 + z2 = 0 + -36

Reorder the terms:
36 + -36 + -10z + z2 = 0 + -36

Combine like terms: 36 + -36 = 0
0 + -10z + z2 = 0 + -36
-10z + z2 = 0 + -36

Combine like terms: 0 + -36 = -36
-10z + z2 = -36

The z term is -10z.  Take half its coefficient (-5).
Square it (25) and add it to both sides.

Add '25' to each side of the equation.
-10z + 25 + z2 = -36 + 25

Reorder the terms:
25 + -10z + z2 = -36 + 25

Combine like terms: -36 + 25 = -11
25 + -10z + z2 = -11

Factor a perfect square on the left side:
(z + -5)(z + -5) = -11

Can't calculate square root of the right side.

The solution to this equation could not be determined.

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