(4x^2+9x-2)+(4x^2+4x+19)-(8x^2-14)=

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Solution for (4x^2+9x-2)+(4x^2+4x+19)-(8x^2-14)= equation:


Simplifying
(4x2 + 9x + -2) + (4x2 + 4x + 19) + -1(8x2 + -14) = 0

Reorder the terms:
(-2 + 9x + 4x2) + (4x2 + 4x + 19) + -1(8x2 + -14) = 0

Remove parenthesis around (-2 + 9x + 4x2)
-2 + 9x + 4x2 + (4x2 + 4x + 19) + -1(8x2 + -14) = 0

Reorder the terms:
-2 + 9x + 4x2 + (19 + 4x + 4x2) + -1(8x2 + -14) = 0

Remove parenthesis around (19 + 4x + 4x2)
-2 + 9x + 4x2 + 19 + 4x + 4x2 + -1(8x2 + -14) = 0

Reorder the terms:
-2 + 9x + 4x2 + 19 + 4x + 4x2 + -1(-14 + 8x2) = 0
-2 + 9x + 4x2 + 19 + 4x + 4x2 + (-14 * -1 + 8x2 * -1) = 0
-2 + 9x + 4x2 + 19 + 4x + 4x2 + (14 + -8x2) = 0

Reorder the terms:
-2 + 19 + 14 + 9x + 4x + 4x2 + 4x2 + -8x2 = 0

Combine like terms: -2 + 19 = 17
17 + 14 + 9x + 4x + 4x2 + 4x2 + -8x2 = 0

Combine like terms: 17 + 14 = 31
31 + 9x + 4x + 4x2 + 4x2 + -8x2 = 0

Combine like terms: 9x + 4x = 13x
31 + 13x + 4x2 + 4x2 + -8x2 = 0

Combine like terms: 4x2 + 4x2 = 8x2
31 + 13x + 8x2 + -8x2 = 0

Combine like terms: 8x2 + -8x2 = 0
31 + 13x + 0 = 0
31 + 13x = 0

Solving
31 + 13x = 0

Solving for variable 'x'.

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

Add '-31' to each side of the equation.
31 + -31 + 13x = 0 + -31

Combine like terms: 31 + -31 = 0
0 + 13x = 0 + -31
13x = 0 + -31

Combine like terms: 0 + -31 = -31
13x = -31

Divide each side by '13'.
x = -2.384615385

Simplifying
x = -2.384615385

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