(5x^2-7+19)+(6x^2+9X-40)=

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Solution for (5x^2-7+19)+(6x^2+9X-40)= equation:


Simplifying
(5x2 + -7 + 19) + (6x2 + 9X + -40) = 0

Reorder the terms:
(-7 + 19 + 5x2) + (6x2 + 9X + -40) = 0

Combine like terms: -7 + 19 = 12
(12 + 5x2) + (6x2 + 9X + -40) = 0

Remove parenthesis around (12 + 5x2)
12 + 5x2 + (6x2 + 9X + -40) = 0

Reorder the terms:
12 + 5x2 + (-40 + 9X + 6x2) = 0

Remove parenthesis around (-40 + 9X + 6x2)
12 + 5x2 + -40 + 9X + 6x2 = 0

Reorder the terms:
12 + -40 + 9X + 5x2 + 6x2 = 0

Combine like terms: 12 + -40 = -28
-28 + 9X + 5x2 + 6x2 = 0

Combine like terms: 5x2 + 6x2 = 11x2
-28 + 9X + 11x2 = 0

Solving
-28 + 9X + 11x2 = 0

Solving for variable 'X'.

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

Add '28' to each side of the equation.
-28 + 9X + 28 + 11x2 = 0 + 28

Reorder the terms:
-28 + 28 + 9X + 11x2 = 0 + 28

Combine like terms: -28 + 28 = 0
0 + 9X + 11x2 = 0 + 28
9X + 11x2 = 0 + 28

Combine like terms: 0 + 28 = 28
9X + 11x2 = 28

Add '-11x2' to each side of the equation.
9X + 11x2 + -11x2 = 28 + -11x2

Combine like terms: 11x2 + -11x2 = 0
9X + 0 = 28 + -11x2
9X = 28 + -11x2

Divide each side by '9'.
X = 3.111111111 + -1.222222222x2

Simplifying
X = 3.111111111 + -1.222222222x2

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