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

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


Simplifying
(5x2 + -7(x + -5)) + -1(-4(x2 + -4) + -3x) = 0

Reorder the terms:
(5x2 + -7(-5 + x)) + -1(-4(x2 + -4) + -3x) = 0
(5x2 + (-5 * -7 + x * -7)) + -1(-4(x2 + -4) + -3x) = 0
(5x2 + (35 + -7x)) + -1(-4(x2 + -4) + -3x) = 0

Reorder the terms:
(35 + -7x + 5x2) + -1(-4(x2 + -4) + -3x) = 0

Remove parenthesis around (35 + -7x + 5x2)
35 + -7x + 5x2 + -1(-4(x2 + -4) + -3x) = 0

Reorder the terms:
35 + -7x + 5x2 + -1(-4(-4 + x2) + -3x) = 0
35 + -7x + 5x2 + -1((-4 * -4 + x2 * -4) + -3x) = 0
35 + -7x + 5x2 + -1((16 + -4x2) + -3x) = 0

Reorder the terms:
35 + -7x + 5x2 + -1(16 + -3x + -4x2) = 0
35 + -7x + 5x2 + (16 * -1 + -3x * -1 + -4x2 * -1) = 0
35 + -7x + 5x2 + (-16 + 3x + 4x2) = 0

Reorder the terms:
35 + -16 + -7x + 3x + 5x2 + 4x2 = 0

Combine like terms: 35 + -16 = 19
19 + -7x + 3x + 5x2 + 4x2 = 0

Combine like terms: -7x + 3x = -4x
19 + -4x + 5x2 + 4x2 = 0

Combine like terms: 5x2 + 4x2 = 9x2
19 + -4x + 9x2 = 0

Solving
19 + -4x + 9x2 = 0

Solving for variable 'x'.

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

Divide each side by '9'.
2.111111111 + -0.4444444444x + x2 = 0

Move the constant term to the right:

Add '-2.111111111' to each side of the equation.
2.111111111 + -0.4444444444x + -2.111111111 + x2 = 0 + -2.111111111

Reorder the terms:
2.111111111 + -2.111111111 + -0.4444444444x + x2 = 0 + -2.111111111

Combine like terms: 2.111111111 + -2.111111111 = 0.000000000
0.000000000 + -0.4444444444x + x2 = 0 + -2.111111111
-0.4444444444x + x2 = 0 + -2.111111111

Combine like terms: 0 + -2.111111111 = -2.111111111
-0.4444444444x + x2 = -2.111111111

The x term is -0.4444444444x.  Take half its coefficient (-0.2222222222).
Square it (0.04938271604) and add it to both sides.

Add '0.04938271604' to each side of the equation.
-0.4444444444x + 0.04938271604 + x2 = -2.111111111 + 0.04938271604

Reorder the terms:
0.04938271604 + -0.4444444444x + x2 = -2.111111111 + 0.04938271604

Combine like terms: -2.111111111 + 0.04938271604 = -2.06172839496
0.04938271604 + -0.4444444444x + x2 = -2.06172839496

Factor a perfect square on the left side:
(x + -0.2222222222)(x + -0.2222222222) = -2.06172839496

Can't calculate square root of the right side.

The solution to this equation could not be determined.

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