25x^2+45x=-169

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Solution for 25x^2+45x=-169 equation:


Simplifying
25x2 + 45x = -169

Reorder the terms:
45x + 25x2 = -169

Solving
45x + 25x2 = -169

Solving for variable 'x'.

Reorder the terms:
169 + 45x + 25x2 = -169 + 169

Combine like terms: -169 + 169 = 0
169 + 45x + 25x2 = 0

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

Divide each side by '25'.
6.76 + 1.8x + x2 = 0

Move the constant term to the right:

Add '-6.76' to each side of the equation.
6.76 + 1.8x + -6.76 + x2 = 0 + -6.76

Reorder the terms:
6.76 + -6.76 + 1.8x + x2 = 0 + -6.76

Combine like terms: 6.76 + -6.76 = 0.00
0.00 + 1.8x + x2 = 0 + -6.76
1.8x + x2 = 0 + -6.76

Combine like terms: 0 + -6.76 = -6.76
1.8x + x2 = -6.76

The x term is 1.8x.  Take half its coefficient (0.9).
Square it (0.81) and add it to both sides.

Add '0.81' to each side of the equation.
1.8x + 0.81 + x2 = -6.76 + 0.81

Reorder the terms:
0.81 + 1.8x + x2 = -6.76 + 0.81

Combine like terms: -6.76 + 0.81 = -5.95
0.81 + 1.8x + x2 = -5.95

Factor a perfect square on the left side:
(x + 0.9)(x + 0.9) = -5.95

Can't calculate square root of the right side.

The solution to this equation could not be determined.

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