3(x-2)7x=-26

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Solution for 3(x-2)7x=-26 equation:


Simplifying
3(x + -2) * 7x = -26

Reorder the terms:
3(-2 + x) * 7x = -26

Reorder the terms for easier multiplication:
3 * 7x(-2 + x) = -26

Multiply 3 * 7
21x(-2 + x) = -26
(-2 * 21x + x * 21x) = -26
(-42x + 21x2) = -26

Solving
-42x + 21x2 = -26

Solving for variable 'x'.

Reorder the terms:
26 + -42x + 21x2 = -26 + 26

Combine like terms: -26 + 26 = 0
26 + -42x + 21x2 = 0

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

Divide each side by '21'.
1.238095238 + -2x + x2 = 0

Move the constant term to the right:

Add '-1.238095238' to each side of the equation.
1.238095238 + -2x + -1.238095238 + x2 = 0 + -1.238095238

Reorder the terms:
1.238095238 + -1.238095238 + -2x + x2 = 0 + -1.238095238

Combine like terms: 1.238095238 + -1.238095238 = 0.000000000
0.000000000 + -2x + x2 = 0 + -1.238095238
-2x + x2 = 0 + -1.238095238

Combine like terms: 0 + -1.238095238 = -1.238095238
-2x + x2 = -1.238095238

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 = -1.238095238 + 1

Reorder the terms:
1 + -2x + x2 = -1.238095238 + 1

Combine like terms: -1.238095238 + 1 = -0.238095238
1 + -2x + x2 = -0.238095238

Factor a perfect square on the left side:
(x + -1)(x + -1) = -0.238095238

Can't calculate square root of the right side.

The solution to this equation could not be determined.

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