(7x-3)(x+2)-4x=5(3x-2)

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Solution for (7x-3)(x+2)-4x=5(3x-2) equation:


Simplifying
(7x + -3)(x + 2) + -4x = 5(3x + -2)

Reorder the terms:
(-3 + 7x)(x + 2) + -4x = 5(3x + -2)

Reorder the terms:
(-3 + 7x)(2 + x) + -4x = 5(3x + -2)

Multiply (-3 + 7x) * (2 + x)
(-3(2 + x) + 7x * (2 + x)) + -4x = 5(3x + -2)
((2 * -3 + x * -3) + 7x * (2 + x)) + -4x = 5(3x + -2)
((-6 + -3x) + 7x * (2 + x)) + -4x = 5(3x + -2)
(-6 + -3x + (2 * 7x + x * 7x)) + -4x = 5(3x + -2)
(-6 + -3x + (14x + 7x2)) + -4x = 5(3x + -2)

Combine like terms: -3x + 14x = 11x
(-6 + 11x + 7x2) + -4x = 5(3x + -2)

Reorder the terms:
-6 + 11x + -4x + 7x2 = 5(3x + -2)

Combine like terms: 11x + -4x = 7x
-6 + 7x + 7x2 = 5(3x + -2)

Reorder the terms:
-6 + 7x + 7x2 = 5(-2 + 3x)
-6 + 7x + 7x2 = (-2 * 5 + 3x * 5)
-6 + 7x + 7x2 = (-10 + 15x)

Solving
-6 + 7x + 7x2 = -10 + 15x

Solving for variable 'x'.

Reorder the terms:
-6 + 10 + 7x + -15x + 7x2 = -10 + 15x + 10 + -15x

Combine like terms: -6 + 10 = 4
4 + 7x + -15x + 7x2 = -10 + 15x + 10 + -15x

Combine like terms: 7x + -15x = -8x
4 + -8x + 7x2 = -10 + 15x + 10 + -15x

Reorder the terms:
4 + -8x + 7x2 = -10 + 10 + 15x + -15x

Combine like terms: -10 + 10 = 0
4 + -8x + 7x2 = 0 + 15x + -15x
4 + -8x + 7x2 = 15x + -15x

Combine like terms: 15x + -15x = 0
4 + -8x + 7x2 = 0

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

Divide each side by '7'.
0.5714285714 + -1.142857143x + x2 = 0

Move the constant term to the right:

Add '-0.5714285714' to each side of the equation.
0.5714285714 + -1.142857143x + -0.5714285714 + x2 = 0 + -0.5714285714

Reorder the terms:
0.5714285714 + -0.5714285714 + -1.142857143x + x2 = 0 + -0.5714285714

Combine like terms: 0.5714285714 + -0.5714285714 = 0.0000000000
0.0000000000 + -1.142857143x + x2 = 0 + -0.5714285714
-1.142857143x + x2 = 0 + -0.5714285714

Combine like terms: 0 + -0.5714285714 = -0.5714285714
-1.142857143x + x2 = -0.5714285714

The x term is -1.142857143x.  Take half its coefficient (-0.5714285715).
Square it (0.3265306123) and add it to both sides.

Add '0.3265306123' to each side of the equation.
-1.142857143x + 0.3265306123 + x2 = -0.5714285714 + 0.3265306123

Reorder the terms:
0.3265306123 + -1.142857143x + x2 = -0.5714285714 + 0.3265306123

Combine like terms: -0.5714285714 + 0.3265306123 = -0.2448979591
0.3265306123 + -1.142857143x + x2 = -0.2448979591

Factor a perfect square on the left side:
(x + -0.5714285715)(x + -0.5714285715) = -0.2448979591

Can't calculate square root of the right side.

The solution to this equation could not be determined.

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