(X^2+15x+13)+3x^2-15x+7=

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Solution for (X^2+15x+13)+3x^2-15x+7= equation:


Simplifying
(X2 + 15x + 13) + 3x2 + -15x + 7 = 0

Reorder the terms:
(13 + X2 + 15x) + 3x2 + -15x + 7 = 0

Remove parenthesis around (13 + X2 + 15x)
13 + X2 + 15x + 3x2 + -15x + 7 = 0

Reorder the terms:
13 + 7 + X2 + 15x + -15x + 3x2 = 0

Combine like terms: 13 + 7 = 20
20 + X2 + 15x + -15x + 3x2 = 0

Combine like terms: 15x + -15x = 0
20 + X2 + 0 + 3x2 = 0
20 + X2 + 3x2 = 0

Solving
20 + X2 + 3x2 = 0

Solving for variable 'X'.

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

Add '-20' to each side of the equation.
20 + X2 + -20 + 3x2 = 0 + -20

Reorder the terms:
20 + -20 + X2 + 3x2 = 0 + -20

Combine like terms: 20 + -20 = 0
0 + X2 + 3x2 = 0 + -20
X2 + 3x2 = 0 + -20

Combine like terms: 0 + -20 = -20
X2 + 3x2 = -20

Add '-3x2' to each side of the equation.
X2 + 3x2 + -3x2 = -20 + -3x2

Combine like terms: 3x2 + -3x2 = 0
X2 + 0 = -20 + -3x2
X2 = -20 + -3x2

Simplifying
X2 = -20 + -3x2

Reorder the terms:
20 + X2 + 3x2 = -20 + -3x2 + 20 + 3x2

Reorder the terms:
20 + X2 + 3x2 = -20 + 20 + -3x2 + 3x2

Combine like terms: -20 + 20 = 0
20 + X2 + 3x2 = 0 + -3x2 + 3x2
20 + X2 + 3x2 = -3x2 + 3x2

Combine like terms: -3x2 + 3x2 = 0
20 + X2 + 3x2 = 0

The solution to this equation could not be determined.

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