(11x^2-9x+8)-(4x^2-3x+6)=

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Solution for (11x^2-9x+8)-(4x^2-3x+6)= equation:


Simplifying
(11x2 + -9x + 8) + -1(4x2 + -3x + 6) = 0

Reorder the terms:
(8 + -9x + 11x2) + -1(4x2 + -3x + 6) = 0

Remove parenthesis around (8 + -9x + 11x2)
8 + -9x + 11x2 + -1(4x2 + -3x + 6) = 0

Reorder the terms:
8 + -9x + 11x2 + -1(6 + -3x + 4x2) = 0
8 + -9x + 11x2 + (6 * -1 + -3x * -1 + 4x2 * -1) = 0
8 + -9x + 11x2 + (-6 + 3x + -4x2) = 0

Reorder the terms:
8 + -6 + -9x + 3x + 11x2 + -4x2 = 0

Combine like terms: 8 + -6 = 2
2 + -9x + 3x + 11x2 + -4x2 = 0

Combine like terms: -9x + 3x = -6x
2 + -6x + 11x2 + -4x2 = 0

Combine like terms: 11x2 + -4x2 = 7x2
2 + -6x + 7x2 = 0

Solving
2 + -6x + 7x2 = 0

Solving for variable 'x'.

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

Divide each side by '7'.
0.2857142857 + -0.8571428571x + x2 = 0

Move the constant term to the right:

Add '-0.2857142857' to each side of the equation.
0.2857142857 + -0.8571428571x + -0.2857142857 + x2 = 0 + -0.2857142857

Reorder the terms:
0.2857142857 + -0.2857142857 + -0.8571428571x + x2 = 0 + -0.2857142857

Combine like terms: 0.2857142857 + -0.2857142857 = 0.0000000000
0.0000000000 + -0.8571428571x + x2 = 0 + -0.2857142857
-0.8571428571x + x2 = 0 + -0.2857142857

Combine like terms: 0 + -0.2857142857 = -0.2857142857
-0.8571428571x + x2 = -0.2857142857

The x term is -0.8571428571x.  Take half its coefficient (-0.4285714286).
Square it (0.1836734694) and add it to both sides.

Add '0.1836734694' to each side of the equation.
-0.8571428571x + 0.1836734694 + x2 = -0.2857142857 + 0.1836734694

Reorder the terms:
0.1836734694 + -0.8571428571x + x2 = -0.2857142857 + 0.1836734694

Combine like terms: -0.2857142857 + 0.1836734694 = -0.1020408163
0.1836734694 + -0.8571428571x + x2 = -0.1020408163

Factor a perfect square on the left side:
(x + -0.4285714286)(x + -0.4285714286) = -0.1020408163

Can't calculate square root of the right side.

The solution to this equation could not be determined.

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