(X^2-5x-7)+(7x^2-4x+10)=

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Solution for (X^2-5x-7)+(7x^2-4x+10)= equation: 


Simplifying
(X2 + -5x + -7) + (7x2 + -4x + 10) = 0

Reorder the terms:
(-7 + X2 + -5x) + (7x2 + -4x + 10) = 0

Remove parenthesis around (-7 + X2 + -5x)
-7 + X2 + -5x + (7x2 + -4x + 10) = 0

Reorder the terms:
-7 + X2 + -5x + (10 + -4x + 7x2) = 0

Remove parenthesis around (10 + -4x + 7x2)
-7 + X2 + -5x + 10 + -4x + 7x2 = 0

Reorder the terms:
-7 + 10 + X2 + -5x + -4x + 7x2 = 0

Combine like terms: -7 + 10 = 3
3 + X2 + -5x + -4x + 7x2 = 0

Combine like terms: -5x + -4x = -9x
3 + X2 + -9x + 7x2 = 0

Solving
3 + X2 + -9x + 7x2 = 0

Solving for variable 'X'.

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

Add '-3' to each side of the equation.
3 + X2 + -9x + -3 + 7x2 = 0 + -3

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

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

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

Add '9x' to each side of the equation.
X2 + -9x + 9x + 7x2 = -3 + 9x

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

Add '-7x2' to each side of the equation.
X2 + 7x2 + -7x2 = -3 + 9x + -7x2

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

Simplifying
X2 = -3 + 9x + -7x2

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

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

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

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

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

The solution to this equation could not be determined.

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