10x^2-3x=-7

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Solution for 10x^2-3x=-7 equation:


Simplifying
10x2 + -3x = -7

Reorder the terms:
-3x + 10x2 = -7

Solving
-3x + 10x2 = -7

Solving for variable 'x'.

Reorder the terms:
7 + -3x + 10x2 = -7 + 7

Combine like terms: -7 + 7 = 0
7 + -3x + 10x2 = 0

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

Divide each side by '10'.
0.7 + -0.3x + x2 = 0

Move the constant term to the right:

Add '-0.7' to each side of the equation.
0.7 + -0.3x + -0.7 + x2 = 0 + -0.7

Reorder the terms:
0.7 + -0.7 + -0.3x + x2 = 0 + -0.7

Combine like terms: 0.7 + -0.7 = 0.0
0.0 + -0.3x + x2 = 0 + -0.7
-0.3x + x2 = 0 + -0.7

Combine like terms: 0 + -0.7 = -0.7
-0.3x + x2 = -0.7

The x term is -0.3x.  Take half its coefficient (-0.15).
Square it (0.0225) and add it to both sides.

Add '0.0225' to each side of the equation.
-0.3x + 0.0225 + x2 = -0.7 + 0.0225

Reorder the terms:
0.0225 + -0.3x + x2 = -0.7 + 0.0225

Combine like terms: -0.7 + 0.0225 = -0.6775
0.0225 + -0.3x + x2 = -0.6775

Factor a perfect square on the left side:
(x + -0.15)(x + -0.15) = -0.6775

Can't calculate square root of the right side.

The solution to this equation could not be determined.

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