x=16x^2-8x+7

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Solution for x=16x^2-8x+7 equation:


Simplifying
x = 16x2 + -8x + 7

Reorder the terms:
x = 7 + -8x + 16x2

Solving
x = 7 + -8x + 16x2

Solving for variable 'x'.

Reorder the terms:
-7 + x + 8x + -16x2 = 7 + -8x + 16x2 + -7 + 8x + -16x2

Combine like terms: x + 8x = 9x
-7 + 9x + -16x2 = 7 + -8x + 16x2 + -7 + 8x + -16x2

Reorder the terms:
-7 + 9x + -16x2 = 7 + -7 + -8x + 8x + 16x2 + -16x2

Combine like terms: 7 + -7 = 0
-7 + 9x + -16x2 = 0 + -8x + 8x + 16x2 + -16x2
-7 + 9x + -16x2 = -8x + 8x + 16x2 + -16x2

Combine like terms: -8x + 8x = 0
-7 + 9x + -16x2 = 0 + 16x2 + -16x2
-7 + 9x + -16x2 = 16x2 + -16x2

Combine like terms: 16x2 + -16x2 = 0
-7 + 9x + -16x2 = 0

Begin completing the square.  Divide all terms by
-16 the coefficient of the squared term: 

Divide each side by '-16'.
0.4375 + -0.5625x + x2 = 0

Move the constant term to the right:

Add '-0.4375' to each side of the equation.
0.4375 + -0.5625x + -0.4375 + x2 = 0 + -0.4375

Reorder the terms:
0.4375 + -0.4375 + -0.5625x + x2 = 0 + -0.4375

Combine like terms: 0.4375 + -0.4375 = 0.0000
0.0000 + -0.5625x + x2 = 0 + -0.4375
-0.5625x + x2 = 0 + -0.4375

Combine like terms: 0 + -0.4375 = -0.4375
-0.5625x + x2 = -0.4375

The x term is -0.5625x.  Take half its coefficient (-0.28125).
Square it (0.0791015625) and add it to both sides.

Add '0.0791015625' to each side of the equation.
-0.5625x + 0.0791015625 + x2 = -0.4375 + 0.0791015625

Reorder the terms:
0.0791015625 + -0.5625x + x2 = -0.4375 + 0.0791015625

Combine like terms: -0.4375 + 0.0791015625 = -0.3583984375
0.0791015625 + -0.5625x + x2 = -0.3583984375

Factor a perfect square on the left side:
(x + -0.28125)(x + -0.28125) = -0.3583984375

Can't calculate square root of the right side.

The solution to this equation could not be determined.

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