16x*x+15x+25=0

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Solution for 16x*x+15x+25=0 equation:


Simplifying
16x * x + 15x + 25 = 0

Multiply x * x
16x2 + 15x + 25 = 0

Reorder the terms:
25 + 15x + 16x2 = 0

Solving
25 + 15x + 16x2 = 0

Solving for variable 'x'.

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

Divide each side by '16'.
1.5625 + 0.9375x + x2 = 0

Move the constant term to the right:

Add '-1.5625' to each side of the equation.
1.5625 + 0.9375x + -1.5625 + x2 = 0 + -1.5625

Reorder the terms:
1.5625 + -1.5625 + 0.9375x + x2 = 0 + -1.5625

Combine like terms: 1.5625 + -1.5625 = 0.0000
0.0000 + 0.9375x + x2 = 0 + -1.5625
0.9375x + x2 = 0 + -1.5625

Combine like terms: 0 + -1.5625 = -1.5625
0.9375x + x2 = -1.5625

The x term is 0.9375x.  Take half its coefficient (0.46875).
Square it (0.2197265625) and add it to both sides.

Add '0.2197265625' to each side of the equation.
0.9375x + 0.2197265625 + x2 = -1.5625 + 0.2197265625

Reorder the terms:
0.2197265625 + 0.9375x + x2 = -1.5625 + 0.2197265625

Combine like terms: -1.5625 + 0.2197265625 = -1.3427734375
0.2197265625 + 0.9375x + x2 = -1.3427734375

Factor a perfect square on the left side:
(x + 0.46875)(x + 0.46875) = -1.3427734375

Can't calculate square root of the right side.

The solution to this equation could not be determined.

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