(X^2+4x+7)-(x^2+9x+3)=

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Solution for (X^2+4x+7)-(x^2+9x+3)= equation: 


Simplifying
(X2 + 4x + 7) + -1(x2 + 9x + 3) = 0

Reorder the terms:
(7 + X2 + 4x) + -1(x2 + 9x + 3) = 0

Remove parenthesis around (7 + X2 + 4x)
7 + X2 + 4x + -1(x2 + 9x + 3) = 0

Reorder the terms:
7 + X2 + 4x + -1(3 + 9x + x2) = 0
7 + X2 + 4x + (3 * -1 + 9x * -1 + x2 * -1) = 0
7 + X2 + 4x + (-3 + -9x + -1x2) = 0

Reorder the terms:
7 + -3 + X2 + 4x + -9x + -1x2 = 0

Combine like terms: 7 + -3 = 4
4 + X2 + 4x + -9x + -1x2 = 0

Combine like terms: 4x + -9x = -5x
4 + X2 + -5x + -1x2 = 0

Solving
4 + X2 + -5x + -1x2 = 0

Solving for variable 'X'.

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

Add '-4' to each side of the equation.
4 + X2 + -5x + -4 + -1x2 = 0 + -4

Reorder the terms:
4 + -4 + X2 + -5x + -1x2 = 0 + -4

Combine like terms: 4 + -4 = 0
0 + X2 + -5x + -1x2 = 0 + -4
X2 + -5x + -1x2 = 0 + -4

Combine like terms: 0 + -4 = -4
X2 + -5x + -1x2 = -4

Add '5x' to each side of the equation.
X2 + -5x + 5x + -1x2 = -4 + 5x

Combine like terms: -5x + 5x = 0
X2 + 0 + -1x2 = -4 + 5x
X2 + -1x2 = -4 + 5x

Add 'x2' to each side of the equation.
X2 + -1x2 + x2 = -4 + 5x + x2

Combine like terms: -1x2 + x2 = 0
X2 + 0 = -4 + 5x + x2
X2 = -4 + 5x + x2

Simplifying
X2 = -4 + 5x + x2

Reorder the terms:
4 + X2 + -5x + -1x2 = -4 + 5x + x2 + 4 + -5x + -1x2

Reorder the terms:
4 + X2 + -5x + -1x2 = -4 + 4 + 5x + -5x + x2 + -1x2

Combine like terms: -4 + 4 = 0
4 + X2 + -5x + -1x2 = 0 + 5x + -5x + x2 + -1x2
4 + X2 + -5x + -1x2 = 5x + -5x + x2 + -1x2

Combine like terms: 5x + -5x = 0
4 + X2 + -5x + -1x2 = 0 + x2 + -1x2
4 + X2 + -5x + -1x2 = x2 + -1x2

Combine like terms: x2 + -1x2 = 0
4 + X2 + -5x + -1x2 = 0

The solution to this equation could not be determined.

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