(2x^2+9x-5)+(2x^2+3x+11)-(4x^2-17)=

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Solution for (2x^2+9x-5)+(2x^2+3x+11)-(4x^2-17)= equation:


Simplifying
(2x2 + 9x + -5) + (2x2 + 3x + 11) + -1(4x2 + -17) = 0

Reorder the terms:
(-5 + 9x + 2x2) + (2x2 + 3x + 11) + -1(4x2 + -17) = 0

Remove parenthesis around (-5 + 9x + 2x2)
-5 + 9x + 2x2 + (2x2 + 3x + 11) + -1(4x2 + -17) = 0

Reorder the terms:
-5 + 9x + 2x2 + (11 + 3x + 2x2) + -1(4x2 + -17) = 0

Remove parenthesis around (11 + 3x + 2x2)
-5 + 9x + 2x2 + 11 + 3x + 2x2 + -1(4x2 + -17) = 0

Reorder the terms:
-5 + 9x + 2x2 + 11 + 3x + 2x2 + -1(-17 + 4x2) = 0
-5 + 9x + 2x2 + 11 + 3x + 2x2 + (-17 * -1 + 4x2 * -1) = 0
-5 + 9x + 2x2 + 11 + 3x + 2x2 + (17 + -4x2) = 0

Reorder the terms:
-5 + 11 + 17 + 9x + 3x + 2x2 + 2x2 + -4x2 = 0

Combine like terms: -5 + 11 = 6
6 + 17 + 9x + 3x + 2x2 + 2x2 + -4x2 = 0

Combine like terms: 6 + 17 = 23
23 + 9x + 3x + 2x2 + 2x2 + -4x2 = 0

Combine like terms: 9x + 3x = 12x
23 + 12x + 2x2 + 2x2 + -4x2 = 0

Combine like terms: 2x2 + 2x2 = 4x2
23 + 12x + 4x2 + -4x2 = 0

Combine like terms: 4x2 + -4x2 = 0
23 + 12x + 0 = 0
23 + 12x = 0

Solving
23 + 12x = 0

Solving for variable 'x'.

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

Add '-23' to each side of the equation.
23 + -23 + 12x = 0 + -23

Combine like terms: 23 + -23 = 0
0 + 12x = 0 + -23
12x = 0 + -23

Combine like terms: 0 + -23 = -23
12x = -23

Divide each side by '12'.
x = -1.916666667

Simplifying
x = -1.916666667

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