X^2+4x+9=16.5

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Solution for X^2+4x+9=16.5 equation: 


Simplifying
X2 + 4x + 9 = 16.5

Reorder the terms:
9 + X2 + 4x = 16.5

Solving
9 + X2 + 4x = 16.5

Solving for variable 'X'.

Move all terms containing X to the left, all other terms to the right.

Add '-9' to each side of the equation.
9 + X2 + -9 + 4x = 16.5 + -9

Reorder the terms:
9 + -9 + X2 + 4x = 16.5 + -9

Combine like terms: 9 + -9 = 0
0 + X2 + 4x = 16.5 + -9
X2 + 4x = 16.5 + -9

Combine like terms: 16.5 + -9 = 7.5
X2 + 4x = 7.5

Add '-4x' to each side of the equation.
X2 + 4x + -4x = 7.5 + -4x

Combine like terms: 4x + -4x = 0
X2 + 0 = 7.5 + -4x
X2 = 7.5 + -4x

Simplifying
X2 = 7.5 + -4x

Reorder the terms:
-7.5 + X2 + 4x = 7.5 + -4x + -7.5 + 4x

Reorder the terms:
-7.5 + X2 + 4x = 7.5 + -7.5 + -4x + 4x

Combine like terms: 7.5 + -7.5 = 0.0
-7.5 + X2 + 4x = 0.0 + -4x + 4x
-7.5 + X2 + 4x = -4x + 4x

Combine like terms: -4x + 4x = 0
-7.5 + X2 + 4x = 0

The solution to this equation could not be determined.

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