(6x^2+20x+6)-(6x^2-3x-3)=

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Solution for (6x^2+20x+6)-(6x^2-3x-3)= equation:


Simplifying
(6x2 + 20x + 6) + -1(6x2 + -3x + -3) = 0

Reorder the terms:
(6 + 20x + 6x2) + -1(6x2 + -3x + -3) = 0

Remove parenthesis around (6 + 20x + 6x2)
6 + 20x + 6x2 + -1(6x2 + -3x + -3) = 0

Reorder the terms:
6 + 20x + 6x2 + -1(-3 + -3x + 6x2) = 0
6 + 20x + 6x2 + (-3 * -1 + -3x * -1 + 6x2 * -1) = 0
6 + 20x + 6x2 + (3 + 3x + -6x2) = 0

Reorder the terms:
6 + 3 + 20x + 3x + 6x2 + -6x2 = 0

Combine like terms: 6 + 3 = 9
9 + 20x + 3x + 6x2 + -6x2 = 0

Combine like terms: 20x + 3x = 23x
9 + 23x + 6x2 + -6x2 = 0

Combine like terms: 6x2 + -6x2 = 0
9 + 23x + 0 = 0
9 + 23x = 0

Solving
9 + 23x = 0

Solving for variable 'x'.

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

Add '-9' to each side of the equation.
9 + -9 + 23x = 0 + -9

Combine like terms: 9 + -9 = 0
0 + 23x = 0 + -9
23x = 0 + -9

Combine like terms: 0 + -9 = -9
23x = -9

Divide each side by '23'.
x = -0.3913043478

Simplifying
x = -0.3913043478

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