144+x^2=4x+9

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Solution for 144+x^2=4x+9 equation:


Simplifying
144 + x2 = 4x + 9

Reorder the terms:
144 + x2 = 9 + 4x

Solving
144 + x2 = 9 + 4x

Solving for variable 'x'.

Reorder the terms:
144 + -9 + -4x + x2 = 9 + 4x + -9 + -4x

Combine like terms: 144 + -9 = 135
135 + -4x + x2 = 9 + 4x + -9 + -4x

Reorder the terms:
135 + -4x + x2 = 9 + -9 + 4x + -4x

Combine like terms: 9 + -9 = 0
135 + -4x + x2 = 0 + 4x + -4x
135 + -4x + x2 = 4x + -4x

Combine like terms: 4x + -4x = 0
135 + -4x + x2 = 0

Begin completing the square.

Move the constant term to the right:

Add '-135' to each side of the equation.
135 + -4x + -135 + x2 = 0 + -135

Reorder the terms:
135 + -135 + -4x + x2 = 0 + -135

Combine like terms: 135 + -135 = 0
0 + -4x + x2 = 0 + -135
-4x + x2 = 0 + -135

Combine like terms: 0 + -135 = -135
-4x + x2 = -135

The x term is -4x.  Take half its coefficient (-2).
Square it (4) and add it to both sides.

Add '4' to each side of the equation.
-4x + 4 + x2 = -135 + 4

Reorder the terms:
4 + -4x + x2 = -135 + 4

Combine like terms: -135 + 4 = -131
4 + -4x + x2 = -131

Factor a perfect square on the left side:
(x + -2)(x + -2) = -131

Can't calculate square root of the right side.

The solution to this equation could not be determined.

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