15x^2-30x+35=0

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Solution for 15x^2-30x+35=0 equation: 


Simplifying
15x2 + -30x + 35 = 0

Reorder the terms:
35 + -30x + 15x2 = 0

Solving
35 + -30x + 15x2 = 0

Solving for variable 'x'.

Factor out the Greatest Common Factor (GCF), '5'.
5(7 + -6x + 3x2) = 0

Ignore the factor 5.

Subproblem 1
Set the factor '(7 + -6x + 3x2)' equal to zero and attempt to solve:

Simplifying
7 + -6x + 3x2 = 0

Solving
7 + -6x + 3x2 = 0

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

Divide each side by '3'.
2.333333333 + -2x + x2 = 0

Move the constant term to the right:

Add '-2.333333333' to each side of the equation.
2.333333333 + -2x + -2.333333333 + x2 = 0 + -2.333333333

Reorder the terms:
2.333333333 + -2.333333333 + -2x + x2 = 0 + -2.333333333

Combine like terms: 2.333333333 + -2.333333333 = 0.000000000
0.000000000 + -2x + x2 = 0 + -2.333333333
-2x + x2 = 0 + -2.333333333

Combine like terms: 0 + -2.333333333 = -2.333333333
-2x + x2 = -2.333333333

The x term is -2x.  Take half its coefficient (-1).
Square it (1) and add it to both sides.

Add '1' to each side of the equation.
-2x + 1 + x2 = -2.333333333 + 1

Reorder the terms:
1 + -2x + x2 = -2.333333333 + 1

Combine like terms: -2.333333333 + 1 = -1.333333333
1 + -2x + x2 = -1.333333333

Factor a perfect square on the left side:
(x + -1)(x + -1) = -1.333333333

Can't calculate square root of the right side.

The solution to this equation could not be determined.

This subproblem is being ignored because a solution could not be determined.

The solution to this equation could not be determined.

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