25x^2+30x=-12

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Solution for 25x^2+30x=-12 equation:


Simplifying
25x2 + 30x = -12

Reorder the terms:
30x + 25x2 = -12

Solving
30x + 25x2 = -12

Solving for variable 'x'.

Reorder the terms:
12 + 30x + 25x2 = -12 + 12

Combine like terms: -12 + 12 = 0
12 + 30x + 25x2 = 0

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

Divide each side by '25'.
0.48 + 1.2x + x2 = 0

Move the constant term to the right:

Add '-0.48' to each side of the equation.
0.48 + 1.2x + -0.48 + x2 = 0 + -0.48

Reorder the terms:
0.48 + -0.48 + 1.2x + x2 = 0 + -0.48

Combine like terms: 0.48 + -0.48 = 0.00
0.00 + 1.2x + x2 = 0 + -0.48
1.2x + x2 = 0 + -0.48

Combine like terms: 0 + -0.48 = -0.48
1.2x + x2 = -0.48

The x term is 1.2x.  Take half its coefficient (0.6).
Square it (0.36) and add it to both sides.

Add '0.36' to each side of the equation.
1.2x + 0.36 + x2 = -0.48 + 0.36

Reorder the terms:
0.36 + 1.2x + x2 = -0.48 + 0.36

Combine like terms: -0.48 + 0.36 = -0.12
0.36 + 1.2x + x2 = -0.12

Factor a perfect square on the left side:
(x + 0.6)(x + 0.6) = -0.12

Can't calculate square root of the right side.

The solution to this equation could not be determined.

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