X^2+3x-15=5

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Solution for X^2+3x-15=5 equation: 


Simplifying
X2 + 3x + -15 = 5

Reorder the terms:
-15 + X2 + 3x = 5

Solving
-15 + X2 + 3x = 5

Solving for variable 'X'.

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

Add '15' to each side of the equation.
-15 + X2 + 15 + 3x = 5 + 15

Reorder the terms:
-15 + 15 + X2 + 3x = 5 + 15

Combine like terms: -15 + 15 = 0
0 + X2 + 3x = 5 + 15
X2 + 3x = 5 + 15

Combine like terms: 5 + 15 = 20
X2 + 3x = 20

Add '-3x' to each side of the equation.
X2 + 3x + -3x = 20 + -3x

Combine like terms: 3x + -3x = 0
X2 + 0 = 20 + -3x
X2 = 20 + -3x

Simplifying
X2 = 20 + -3x

Reorder the terms:
-20 + X2 + 3x = 20 + -3x + -20 + 3x

Reorder the terms:
-20 + X2 + 3x = 20 + -20 + -3x + 3x

Combine like terms: 20 + -20 = 0
-20 + X2 + 3x = 0 + -3x + 3x
-20 + X2 + 3x = -3x + 3x

Combine like terms: -3x + 3x = 0
-20 + X2 + 3x = 0

The solution to this equation could not be determined.

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