5x^2-3x+16=11

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Solution for 5x^2-3x+16=11 equation:


Simplifying
5x2 + -3x + 16 = 11

Reorder the terms:
16 + -3x + 5x2 = 11

Solving
16 + -3x + 5x2 = 11

Solving for variable 'x'.

Reorder the terms:
16 + -11 + -3x + 5x2 = 11 + -11

Combine like terms: 16 + -11 = 5
5 + -3x + 5x2 = 11 + -11

Combine like terms: 11 + -11 = 0
5 + -3x + 5x2 = 0

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

Divide each side by '5'.
1 + -0.6x + x2 = 0

Move the constant term to the right:

Add '-1' to each side of the equation.
1 + -0.6x + -1 + x2 = 0 + -1

Reorder the terms:
1 + -1 + -0.6x + x2 = 0 + -1

Combine like terms: 1 + -1 = 0
0 + -0.6x + x2 = 0 + -1
-0.6x + x2 = 0 + -1

Combine like terms: 0 + -1 = -1
-0.6x + x2 = -1

The x term is -0.6x.  Take half its coefficient (-0.3).
Square it (0.09) and add it to both sides.

Add '0.09' to each side of the equation.
-0.6x + 0.09 + x2 = -1 + 0.09

Reorder the terms:
0.09 + -0.6x + x2 = -1 + 0.09

Combine like terms: -1 + 0.09 = -0.91
0.09 + -0.6x + x2 = -0.91

Factor a perfect square on the left side:
(x + -0.3)(x + -0.3) = -0.91

Can't calculate square root of the right side.

The solution to this equation could not be determined.

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