X^2+4x-16=5

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Solution for X^2+4x-16=5 equation:


Simplifying
X2 + 4x + -16 = 5

Reorder the terms:
-16 + X2 + 4x = 5

Solving
-16 + X2 + 4x = 5

Solving for variable 'X'.

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

Add '16' to each side of the equation.
-16 + X2 + 16 + 4x = 5 + 16

Reorder the terms:
-16 + 16 + X2 + 4x = 5 + 16

Combine like terms: -16 + 16 = 0
0 + X2 + 4x = 5 + 16
X2 + 4x = 5 + 16

Combine like terms: 5 + 16 = 21
X2 + 4x = 21

Add '-4x' to each side of the equation.
X2 + 4x + -4x = 21 + -4x

Combine like terms: 4x + -4x = 0
X2 + 0 = 21 + -4x
X2 = 21 + -4x

Simplifying
X2 = 21 + -4x

Reorder the terms:
-21 + X2 + 4x = 21 + -4x + -21 + 4x

Reorder the terms:
-21 + X2 + 4x = 21 + -21 + -4x + 4x

Combine like terms: 21 + -21 = 0
-21 + X2 + 4x = 0 + -4x + 4x
-21 + X2 + 4x = -4x + 4x

Combine like terms: -4x + 4x = 0
-21 + X2 + 4x = 0

The solution to this equation could not be determined.

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