(16x^2-14x+20)-(-7x^2-3x+6)=

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Solution for (16x^2-14x+20)-(-7x^2-3x+6)= equation:


Simplifying
(16x2 + -14x + 20) + -1(-7x2 + -3x + 6) = 0

Reorder the terms:
(20 + -14x + 16x2) + -1(-7x2 + -3x + 6) = 0

Remove parenthesis around (20 + -14x + 16x2)
20 + -14x + 16x2 + -1(-7x2 + -3x + 6) = 0

Reorder the terms:
20 + -14x + 16x2 + -1(6 + -3x + -7x2) = 0
20 + -14x + 16x2 + (6 * -1 + -3x * -1 + -7x2 * -1) = 0
20 + -14x + 16x2 + (-6 + 3x + 7x2) = 0

Reorder the terms:
20 + -6 + -14x + 3x + 16x2 + 7x2 = 0

Combine like terms: 20 + -6 = 14
14 + -14x + 3x + 16x2 + 7x2 = 0

Combine like terms: -14x + 3x = -11x
14 + -11x + 16x2 + 7x2 = 0

Combine like terms: 16x2 + 7x2 = 23x2
14 + -11x + 23x2 = 0

Solving
14 + -11x + 23x2 = 0

Solving for variable 'x'.

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

Divide each side by '23'.
0.6086956522 + -0.4782608696x + x2 = 0

Move the constant term to the right:

Add '-0.6086956522' to each side of the equation.
0.6086956522 + -0.4782608696x + -0.6086956522 + x2 = 0 + -0.6086956522

Reorder the terms:
0.6086956522 + -0.6086956522 + -0.4782608696x + x2 = 0 + -0.6086956522

Combine like terms: 0.6086956522 + -0.6086956522 = 0.0000000000
0.0000000000 + -0.4782608696x + x2 = 0 + -0.6086956522
-0.4782608696x + x2 = 0 + -0.6086956522

Combine like terms: 0 + -0.6086956522 = -0.6086956522
-0.4782608696x + x2 = -0.6086956522

The x term is -0.4782608696x.  Take half its coefficient (-0.2391304348).
Square it (0.05718336485) and add it to both sides.

Add '0.05718336485' to each side of the equation.
-0.4782608696x + 0.05718336485 + x2 = -0.6086956522 + 0.05718336485

Reorder the terms:
0.05718336485 + -0.4782608696x + x2 = -0.6086956522 + 0.05718336485

Combine like terms: -0.6086956522 + 0.05718336485 = -0.55151228735
0.05718336485 + -0.4782608696x + x2 = -0.55151228735

Factor a perfect square on the left side:
(x + -0.2391304348)(x + -0.2391304348) = -0.55151228735

Can't calculate square root of the right side.

The solution to this equation could not be determined.

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