4x^2=5x-10

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Solution for 4x^2=5x-10 equation:


Simplifying
4x2 = 5x + -10

Reorder the terms:
4x2 = -10 + 5x

Solving
4x2 = -10 + 5x

Solving for variable 'x'.

Reorder the terms:
10 + -5x + 4x2 = -10 + 5x + 10 + -5x

Reorder the terms:
10 + -5x + 4x2 = -10 + 10 + 5x + -5x

Combine like terms: -10 + 10 = 0
10 + -5x + 4x2 = 0 + 5x + -5x
10 + -5x + 4x2 = 5x + -5x

Combine like terms: 5x + -5x = 0
10 + -5x + 4x2 = 0

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

Divide each side by '4'.
2.5 + -1.25x + x2 = 0

Move the constant term to the right:

Add '-2.5' to each side of the equation.
2.5 + -1.25x + -2.5 + x2 = 0 + -2.5

Reorder the terms:
2.5 + -2.5 + -1.25x + x2 = 0 + -2.5

Combine like terms: 2.5 + -2.5 = 0.0
0.0 + -1.25x + x2 = 0 + -2.5
-1.25x + x2 = 0 + -2.5

Combine like terms: 0 + -2.5 = -2.5
-1.25x + x2 = -2.5

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 = -2.5 + 0.390625

Reorder the terms:
0.390625 + -1.25x + x2 = -2.5 + 0.390625

Combine like terms: -2.5 + 0.390625 = -2.109375
0.390625 + -1.25x + x2 = -2.109375

Factor a perfect square on the left side:
(x + -0.625)(x + -0.625) = -2.109375

Can't calculate square root of the right side.

The solution to this equation could not be determined.

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