-2=5x^2-7x+10

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Solution for -2=5x^2-7x+10 equation:


Simplifying
-2 = 5x2 + -7x + 10

Reorder the terms:
-2 = 10 + -7x + 5x2

Solving
-2 = 10 + -7x + 5x2

Solving for variable 'x'.

Combine like terms: -2 + -10 = -12
-12 + 7x + -5x2 = 10 + -7x + 5x2 + -10 + 7x + -5x2

Reorder the terms:
-12 + 7x + -5x2 = 10 + -10 + -7x + 7x + 5x2 + -5x2

Combine like terms: 10 + -10 = 0
-12 + 7x + -5x2 = 0 + -7x + 7x + 5x2 + -5x2
-12 + 7x + -5x2 = -7x + 7x + 5x2 + -5x2

Combine like terms: -7x + 7x = 0
-12 + 7x + -5x2 = 0 + 5x2 + -5x2
-12 + 7x + -5x2 = 5x2 + -5x2

Combine like terms: 5x2 + -5x2 = 0
-12 + 7x + -5x2 = 0

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

Divide each side by '-5'.
2.4 + -1.4x + x2 = 0

Move the constant term to the right:

Add '-2.4' to each side of the equation.
2.4 + -1.4x + -2.4 + x2 = 0 + -2.4

Reorder the terms:
2.4 + -2.4 + -1.4x + x2 = 0 + -2.4

Combine like terms: 2.4 + -2.4 = 0.0
0.0 + -1.4x + x2 = 0 + -2.4
-1.4x + x2 = 0 + -2.4

Combine like terms: 0 + -2.4 = -2.4
-1.4x + x2 = -2.4

The x term is -1.4x.  Take half its coefficient (-0.7).
Square it (0.49) and add it to both sides.

Add '0.49' to each side of the equation.
-1.4x + 0.49 + x2 = -2.4 + 0.49

Reorder the terms:
0.49 + -1.4x + x2 = -2.4 + 0.49

Combine like terms: -2.4 + 0.49 = -1.91
0.49 + -1.4x + x2 = -1.91

Factor a perfect square on the left side:
(x + -0.7)(x + -0.7) = -1.91

Can't calculate square root of the right side.

The solution to this equation could not be determined.

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