17x-30=4x^2

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Solution for 17x-30=4x^2 equation:


Simplifying
17x + -30 = 4x2

Reorder the terms:
-30 + 17x = 4x2

Solving
-30 + 17x = 4x2

Solving for variable 'x'.

Combine like terms: 4x2 + -4x2 = 0
-30 + 17x + -4x2 = 0

Begin completing the square.  Divide all terms by
-4 the coefficient of the squared term: 

Divide each side by '-4'.
7.5 + -4.25x + x2 = 0

Move the constant term to the right:

Add '-7.5' to each side of the equation.
7.5 + -4.25x + -7.5 + x2 = 0 + -7.5

Reorder the terms:
7.5 + -7.5 + -4.25x + x2 = 0 + -7.5

Combine like terms: 7.5 + -7.5 = 0.0
0.0 + -4.25x + x2 = 0 + -7.5
-4.25x + x2 = 0 + -7.5

Combine like terms: 0 + -7.5 = -7.5
-4.25x + x2 = -7.5

The x term is -4.25x.  Take half its coefficient (-2.125).
Square it (4.515625) and add it to both sides.

Add '4.515625' to each side of the equation.
-4.25x + 4.515625 + x2 = -7.5 + 4.515625

Reorder the terms:
4.515625 + -4.25x + x2 = -7.5 + 4.515625

Combine like terms: -7.5 + 4.515625 = -2.984375
4.515625 + -4.25x + x2 = -2.984375

Factor a perfect square on the left side:
(x + -2.125)(x + -2.125) = -2.984375

Can't calculate square root of the right side.

The solution to this equation could not be determined.

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