100+7x^2=16x

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Solution for 100+7x^2=16x equation:


Simplifying
100 + 7x2 = 16x

Solving
100 + 7x2 = 16x

Solving for variable 'x'.

Reorder the terms:
100 + -16x + 7x2 = 16x + -16x

Combine like terms: 16x + -16x = 0
100 + -16x + 7x2 = 0

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

Divide each side by '7'.
14.28571429 + -2.285714286x + x2 = 0

Move the constant term to the right:

Add '-14.28571429' to each side of the equation.
14.28571429 + -2.285714286x + -14.28571429 + x2 = 0 + -14.28571429

Reorder the terms:
14.28571429 + -14.28571429 + -2.285714286x + x2 = 0 + -14.28571429

Combine like terms: 14.28571429 + -14.28571429 = 0.00000000
0.00000000 + -2.285714286x + x2 = 0 + -14.28571429
-2.285714286x + x2 = 0 + -14.28571429

Combine like terms: 0 + -14.28571429 = -14.28571429
-2.285714286x + x2 = -14.28571429

The x term is -2.285714286x.  Take half its coefficient (-1.142857143).
Square it (1.306122449) and add it to both sides.

Add '1.306122449' to each side of the equation.
-2.285714286x + 1.306122449 + x2 = -14.28571429 + 1.306122449

Reorder the terms:
1.306122449 + -2.285714286x + x2 = -14.28571429 + 1.306122449

Combine like terms: -14.28571429 + 1.306122449 = -12.979591841
1.306122449 + -2.285714286x + x2 = -12.979591841

Factor a perfect square on the left side:
(x + -1.142857143)(x + -1.142857143) = -12.979591841

Can't calculate square root of the right side.

The solution to this equation could not be determined.

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