(2x^2+3X+5)+(4x^2-5x+8)=

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Solution for (2x^2+3X+5)+(4x^2-5x+8)= equation:


Simplifying
(2x2 + 3X + 5) + (4x2 + -5x + 8) = 0

Reorder the terms:
(5 + 3X + 2x2) + (4x2 + -5x + 8) = 0

Remove parenthesis around (5 + 3X + 2x2)
5 + 3X + 2x2 + (4x2 + -5x + 8) = 0

Reorder the terms:
5 + 3X + 2x2 + (8 + -5x + 4x2) = 0

Remove parenthesis around (8 + -5x + 4x2)
5 + 3X + 2x2 + 8 + -5x + 4x2 = 0

Reorder the terms:
5 + 8 + 3X + -5x + 2x2 + 4x2 = 0

Combine like terms: 5 + 8 = 13
13 + 3X + -5x + 2x2 + 4x2 = 0

Combine like terms: 2x2 + 4x2 = 6x2
13 + 3X + -5x + 6x2 = 0

Solving
13 + 3X + -5x + 6x2 = 0

Solving for variable 'X'.

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

Add '-13' to each side of the equation.
13 + 3X + -5x + -13 + 6x2 = 0 + -13

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

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

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

Add '5x' to each side of the equation.
3X + -5x + 5x + 6x2 = -13 + 5x

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

Add '-6x2' to each side of the equation.
3X + 6x2 + -6x2 = -13 + 5x + -6x2

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

Divide each side by '3'.
X = -4.333333333 + 1.666666667x + -2x2

Simplifying
X = -4.333333333 + 1.666666667x + -2x2

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