6x-3x^2-8-4x^2-7+1=

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Solution for 6x-3x^2-8-4x^2-7+1= equation:


Simplifying
6x + -3x2 + -8 + -4x2 + -7 + 1 = 0

Reorder the terms:
-8 + -7 + 1 + 6x + -3x2 + -4x2 = 0

Combine like terms: -8 + -7 = -15
-15 + 1 + 6x + -3x2 + -4x2 = 0

Combine like terms: -15 + 1 = -14
-14 + 6x + -3x2 + -4x2 = 0

Combine like terms: -3x2 + -4x2 = -7x2
-14 + 6x + -7x2 = 0

Solving
-14 + 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'.
2 + -0.8571428571x + x2 = 0

Move the constant term to the right:

Add '-2' to each side of the equation.
2 + -0.8571428571x + -2 + x2 = 0 + -2

Reorder the terms:
2 + -2 + -0.8571428571x + x2 = 0 + -2

Combine like terms: 2 + -2 = 0
0 + -0.8571428571x + x2 = 0 + -2
-0.8571428571x + x2 = 0 + -2

Combine like terms: 0 + -2 = -2
-0.8571428571x + x2 = -2

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 = -2 + 0.1836734694

Reorder the terms:
0.1836734694 + -0.8571428571x + x2 = -2 + 0.1836734694

Combine like terms: -2 + 0.1836734694 = -1.8163265306
0.1836734694 + -0.8571428571x + x2 = -1.8163265306

Factor a perfect square on the left side:
(x + -0.4285714286)(x + -0.4285714286) = -1.8163265306

Can't calculate square root of the right side.

The solution to this equation could not be determined.

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