9x^2+32-5=4x^2+8x

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Solution for 9x^2+32-5=4x^2+8x equation:


Simplifying
9x2 + 32 + -5 = 4x2 + 8x

Reorder the terms:
32 + -5 + 9x2 = 4x2 + 8x

Combine like terms: 32 + -5 = 27
27 + 9x2 = 4x2 + 8x

Reorder the terms:
27 + 9x2 = 8x + 4x2

Solving
27 + 9x2 = 8x + 4x2

Solving for variable 'x'.

Reorder the terms:
27 + -8x + 9x2 + -4x2 = 8x + 4x2 + -8x + -4x2

Combine like terms: 9x2 + -4x2 = 5x2
27 + -8x + 5x2 = 8x + 4x2 + -8x + -4x2

Reorder the terms:
27 + -8x + 5x2 = 8x + -8x + 4x2 + -4x2

Combine like terms: 8x + -8x = 0
27 + -8x + 5x2 = 0 + 4x2 + -4x2
27 + -8x + 5x2 = 4x2 + -4x2

Combine like terms: 4x2 + -4x2 = 0
27 + -8x + 5x2 = 0

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

Divide each side by '5'.
5.4 + -1.6x + x2 = 0

Move the constant term to the right:

Add '-5.4' to each side of the equation.
5.4 + -1.6x + -5.4 + x2 = 0 + -5.4

Reorder the terms:
5.4 + -5.4 + -1.6x + x2 = 0 + -5.4

Combine like terms: 5.4 + -5.4 = 0.0
0.0 + -1.6x + x2 = 0 + -5.4
-1.6x + x2 = 0 + -5.4

Combine like terms: 0 + -5.4 = -5.4
-1.6x + x2 = -5.4

The x term is -1.6x.  Take half its coefficient (-0.8).
Square it (0.64) and add it to both sides.

Add '0.64' to each side of the equation.
-1.6x + 0.64 + x2 = -5.4 + 0.64

Reorder the terms:
0.64 + -1.6x + x2 = -5.4 + 0.64

Combine like terms: -5.4 + 0.64 = -4.76
0.64 + -1.6x + x2 = -4.76

Factor a perfect square on the left side:
(x + -0.8)(x + -0.8) = -4.76

Can't calculate square root of the right side.

The solution to this equation could not be determined.

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