-(7x-4)5x-7=-3

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Solution for -(7x-4)5x-7=-3 equation:


Simplifying
-1(7x + -4) * 5x + -7 = -3

Reorder the terms:
-1(-4 + 7x) * 5x + -7 = -3

Reorder the terms for easier multiplication:
-1 * 5x(-4 + 7x) + -7 = -3

Multiply -1 * 5
-5x(-4 + 7x) + -7 = -3
(-4 * -5x + 7x * -5x) + -7 = -3
(20x + -35x2) + -7 = -3

Reorder the terms:
-7 + 20x + -35x2 = -3

Solving
-7 + 20x + -35x2 = -3

Solving for variable 'x'.

Reorder the terms:
-7 + 3 + 20x + -35x2 = -3 + 3

Combine like terms: -7 + 3 = -4
-4 + 20x + -35x2 = -3 + 3

Combine like terms: -3 + 3 = 0
-4 + 20x + -35x2 = 0

Begin completing the square.  Divide all terms by
-35 the coefficient of the squared term: 

Divide each side by '-35'.
0.1142857143 + -0.5714285714x + x2 = 0

Move the constant term to the right:

Add '-0.1142857143' to each side of the equation.
0.1142857143 + -0.5714285714x + -0.1142857143 + x2 = 0 + -0.1142857143

Reorder the terms:
0.1142857143 + -0.1142857143 + -0.5714285714x + x2 = 0 + -0.1142857143

Combine like terms: 0.1142857143 + -0.1142857143 = 0.0000000000
0.0000000000 + -0.5714285714x + x2 = 0 + -0.1142857143
-0.5714285714x + x2 = 0 + -0.1142857143

Combine like terms: 0 + -0.1142857143 = -0.1142857143
-0.5714285714x + x2 = -0.1142857143

The x term is -0.5714285714x.  Take half its coefficient (-0.2857142857).
Square it (0.08163265305) and add it to both sides.

Add '0.08163265305' to each side of the equation.
-0.5714285714x + 0.08163265305 + x2 = -0.1142857143 + 0.08163265305

Reorder the terms:
0.08163265305 + -0.5714285714x + x2 = -0.1142857143 + 0.08163265305

Combine like terms: -0.1142857143 + 0.08163265305 = -0.03265306125
0.08163265305 + -0.5714285714x + x2 = -0.03265306125

Factor a perfect square on the left side:
(x + -0.2857142857)(x + -0.2857142857) = -0.03265306125

Can't calculate square root of the right side.

The solution to this equation could not be determined.

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