10X^2-15X+26=0

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Solution for 10X^2-15X+26=0 equation:


Simplifying
10X2 + -15X + 26 = 0

Reorder the terms:
26 + -15X + 10X2 = 0

Solving
26 + -15X + 10X2 = 0

Solving for variable 'X'.

Begin completing the square.  Divide all terms by
10 the coefficient of the squared term: 

Divide each side by '10'.
2.6 + -1.5X + X2 = 0

Move the constant term to the right:

Add '-2.6' to each side of the equation.
2.6 + -1.5X + -2.6 + X2 = 0 + -2.6

Reorder the terms:
2.6 + -2.6 + -1.5X + X2 = 0 + -2.6

Combine like terms: 2.6 + -2.6 = 0.0
0.0 + -1.5X + X2 = 0 + -2.6
-1.5X + X2 = 0 + -2.6

Combine like terms: 0 + -2.6 = -2.6
-1.5X + X2 = -2.6

The X term is -1.5X.  Take half its coefficient (-0.75).
Square it (0.5625) and add it to both sides.

Add '0.5625' to each side of the equation.
-1.5X + 0.5625 + X2 = -2.6 + 0.5625

Reorder the terms:
0.5625 + -1.5X + X2 = -2.6 + 0.5625

Combine like terms: -2.6 + 0.5625 = -2.0375
0.5625 + -1.5X + X2 = -2.0375

Factor a perfect square on the left side:
(X + -0.75)(X + -0.75) = -2.0375

Can't calculate square root of the right side.

The solution to this equation could not be determined.

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