18+3x^2(2)-(-20)=

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Solution for 18+3x^2(2)-(-20)= equation:


Simplifying
18 + 3x2(2) + -1(-20) = 0

Reorder the terms for easier multiplication:
18 + 3 * 2x2 + -1(-20) = 0

Multiply 3 * 2
18 + 6x2 + -1(-20) = 0

Multiply -1 * -20
18 + 6x2 + 20 = 0

Reorder the terms:
18 + 20 + 6x2 = 0

Combine like terms: 18 + 20 = 38
38 + 6x2 = 0

Solving
38 + 6x2 = 0

Solving for variable 'x'.

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

Add '-38' to each side of the equation.
38 + -38 + 6x2 = 0 + -38

Combine like terms: 38 + -38 = 0
0 + 6x2 = 0 + -38
6x2 = 0 + -38

Combine like terms: 0 + -38 = -38
6x2 = -38

Divide each side by '6'.
x2 = -6.333333333

Simplifying
x2 = -6.333333333

Reorder the terms:
6.333333333 + x2 = -6.333333333 + 6.333333333

Combine like terms: -6.333333333 + 6.333333333 = 0.000000000
6.333333333 + x2 = 0.000000000

The solution to this equation could not be determined.

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