(3x^2+3x-6)+(2x^2+3x+19)-(5x^2-13)=

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Solution for (3x^2+3x-6)+(2x^2+3x+19)-(5x^2-13)= equation:


Simplifying
(3x2 + 3x + -6) + (2x2 + 3x + 19) + -1(5x2 + -13) = 0

Reorder the terms:
(-6 + 3x + 3x2) + (2x2 + 3x + 19) + -1(5x2 + -13) = 0

Remove parenthesis around (-6 + 3x + 3x2)
-6 + 3x + 3x2 + (2x2 + 3x + 19) + -1(5x2 + -13) = 0

Reorder the terms:
-6 + 3x + 3x2 + (19 + 3x + 2x2) + -1(5x2 + -13) = 0

Remove parenthesis around (19 + 3x + 2x2)
-6 + 3x + 3x2 + 19 + 3x + 2x2 + -1(5x2 + -13) = 0

Reorder the terms:
-6 + 3x + 3x2 + 19 + 3x + 2x2 + -1(-13 + 5x2) = 0
-6 + 3x + 3x2 + 19 + 3x + 2x2 + (-13 * -1 + 5x2 * -1) = 0
-6 + 3x + 3x2 + 19 + 3x + 2x2 + (13 + -5x2) = 0

Reorder the terms:
-6 + 19 + 13 + 3x + 3x + 3x2 + 2x2 + -5x2 = 0

Combine like terms: -6 + 19 = 13
13 + 13 + 3x + 3x + 3x2 + 2x2 + -5x2 = 0

Combine like terms: 13 + 13 = 26
26 + 3x + 3x + 3x2 + 2x2 + -5x2 = 0

Combine like terms: 3x + 3x = 6x
26 + 6x + 3x2 + 2x2 + -5x2 = 0

Combine like terms: 3x2 + 2x2 = 5x2
26 + 6x + 5x2 + -5x2 = 0

Combine like terms: 5x2 + -5x2 = 0
26 + 6x + 0 = 0
26 + 6x = 0

Solving
26 + 6x = 0

Solving for variable 'x'.

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

Add '-26' to each side of the equation.
26 + -26 + 6x = 0 + -26

Combine like terms: 26 + -26 = 0
0 + 6x = 0 + -26
6x = 0 + -26

Combine like terms: 0 + -26 = -26
6x = -26

Divide each side by '6'.
x = -4.333333333

Simplifying
x = -4.333333333

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