8x^2=-7+10x

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Solution for 8x^2=-7+10x equation:


Simplifying
8x2 = -7 + 10x

Solving
8x2 = -7 + 10x

Solving for variable 'x'.

Reorder the terms:
7 + -10x + 8x2 = -7 + 10x + 7 + -10x

Reorder the terms:
7 + -10x + 8x2 = -7 + 7 + 10x + -10x

Combine like terms: -7 + 7 = 0
7 + -10x + 8x2 = 0 + 10x + -10x
7 + -10x + 8x2 = 10x + -10x

Combine like terms: 10x + -10x = 0
7 + -10x + 8x2 = 0

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

Divide each side by '8'.
0.875 + -1.25x + x2 = 0

Move the constant term to the right:

Add '-0.875' to each side of the equation.
0.875 + -1.25x + -0.875 + x2 = 0 + -0.875

Reorder the terms:
0.875 + -0.875 + -1.25x + x2 = 0 + -0.875

Combine like terms: 0.875 + -0.875 = 0.000
0.000 + -1.25x + x2 = 0 + -0.875
-1.25x + x2 = 0 + -0.875

Combine like terms: 0 + -0.875 = -0.875
-1.25x + x2 = -0.875

The x term is -1.25x.  Take half its coefficient (-0.625).
Square it (0.390625) and add it to both sides.

Add '0.390625' to each side of the equation.
-1.25x + 0.390625 + x2 = -0.875 + 0.390625

Reorder the terms:
0.390625 + -1.25x + x2 = -0.875 + 0.390625

Combine like terms: -0.875 + 0.390625 = -0.484375
0.390625 + -1.25x + x2 = -0.484375

Factor a perfect square on the left side:
(x + -0.625)(x + -0.625) = -0.484375

Can't calculate square root of the right side.

The solution to this equation could not be determined.

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