-3x^2+7x-49=5x^2

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Solution for -3x^2+7x-49=5x^2 equation:


Simplifying
-3x2 + 7x + -49 = 5x2

Reorder the terms:
-49 + 7x + -3x2 = 5x2

Solving
-49 + 7x + -3x2 = 5x2

Solving for variable 'x'.

Combine like terms: -3x2 + -5x2 = -8x2
-49 + 7x + -8x2 = 5x2 + -5x2

Combine like terms: 5x2 + -5x2 = 0
-49 + 7x + -8x2 = 0

Begin completing the square.  Divide all terms by
-8 the coefficient of the squared term: 

Divide each side by '-8'.
6.125 + -0.875x + x2 = 0

Move the constant term to the right:

Add '-6.125' to each side of the equation.
6.125 + -0.875x + -6.125 + x2 = 0 + -6.125

Reorder the terms:
6.125 + -6.125 + -0.875x + x2 = 0 + -6.125

Combine like terms: 6.125 + -6.125 = 0.000
0.000 + -0.875x + x2 = 0 + -6.125
-0.875x + x2 = 0 + -6.125

Combine like terms: 0 + -6.125 = -6.125
-0.875x + x2 = -6.125

The x term is -0.875x.  Take half its coefficient (-0.4375).
Square it (0.19140625) and add it to both sides.

Add '0.19140625' to each side of the equation.
-0.875x + 0.19140625 + x2 = -6.125 + 0.19140625

Reorder the terms:
0.19140625 + -0.875x + x2 = -6.125 + 0.19140625

Combine like terms: -6.125 + 0.19140625 = -5.93359375
0.19140625 + -0.875x + x2 = -5.93359375

Factor a perfect square on the left side:
(x + -0.4375)(x + -0.4375) = -5.93359375

Can't calculate square root of the right side.

The solution to this equation could not be determined.

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