-5x(4x+7)+6(-1+6x)=

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Solution for -5x(4x+7)+6(-1+6x)= equation:


Simplifying
-5x(4x + 7) + 6(-1 + 6x) = 0

Reorder the terms:
-5x(7 + 4x) + 6(-1 + 6x) = 0
(7 * -5x + 4x * -5x) + 6(-1 + 6x) = 0
(-35x + -20x2) + 6(-1 + 6x) = 0
-35x + -20x2 + (-1 * 6 + 6x * 6) = 0
-35x + -20x2 + (-6 + 36x) = 0

Reorder the terms:
-6 + -35x + 36x + -20x2 = 0

Combine like terms: -35x + 36x = 1x
-6 + 1x + -20x2 = 0

Solving
-6 + 1x + -20x2 = 0

Solving for variable 'x'.

Begin completing the square.  Divide all terms by
-20 the coefficient of the squared term: 

Divide each side by '-20'.
0.3 + -0.05x + x2 = 0.0

Move the constant term to the right:

Add '-0.3' to each side of the equation.
0.3 + -0.05x + -0.3 + x2 = 0.0 + -0.3

Reorder the terms:
0.3 + -0.3 + -0.05x + x2 = 0.0 + -0.3

Combine like terms: 0.3 + -0.3 = 0.0
0.0 + -0.05x + x2 = 0.0 + -0.3
-0.05x + x2 = 0.0 + -0.3

Combine like terms: 0.0 + -0.3 = -0.3
-0.05x + x2 = -0.3

The x term is -0.05x.  Take half its coefficient (-0.025).
Square it (0.000625) and add it to both sides.

Add '0.000625' to each side of the equation.
-0.05x + 0.000625 + x2 = -0.3 + 0.000625

Reorder the terms:
0.000625 + -0.05x + x2 = -0.3 + 0.000625

Combine like terms: -0.3 + 0.000625 = -0.299375
0.000625 + -0.05x + x2 = -0.299375

Factor a perfect square on the left side:
(x + -0.025)(x + -0.025) = -0.299375

Can't calculate square root of the right side.

The solution to this equation could not be determined.

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