18x^2+3-[3(x^2-9)+5]=

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Solution for 18x^2+3-[3(x^2-9)+5]= equation:


Simplifying
18x2 + 3 + -1[3(x2 + -9) + 5] = 0

Reorder the terms:
18x2 + 3 + -1[3(-9 + x2) + 5] = 0
18x2 + 3 + -1[(-9 * 3 + x2 * 3) + 5] = 0
18x2 + 3 + -1[(-27 + 3x2) + 5] = 0

Reorder the terms:
18x2 + 3 + -1[-27 + 5 + 3x2] = 0

Combine like terms: -27 + 5 = -22
18x2 + 3 + -1[-22 + 3x2] = 0
18x2 + 3 + [-22 * -1 + 3x2 * -1] = 0
18x2 + 3 + [22 + -3x2] = 0

Reorder the terms:
3 + 22 + 18x2 + -3x2 = 0

Combine like terms: 3 + 22 = 25
25 + 18x2 + -3x2 = 0

Combine like terms: 18x2 + -3x2 = 15x2
25 + 15x2 = 0

Solving
25 + 15x2 = 0

Solving for variable 'x'.

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

Add '-25' to each side of the equation.
25 + -25 + 15x2 = 0 + -25

Combine like terms: 25 + -25 = 0
0 + 15x2 = 0 + -25
15x2 = 0 + -25

Combine like terms: 0 + -25 = -25
15x2 = -25

Divide each side by '15'.
x2 = -1.666666667

Simplifying
x2 = -1.666666667

Reorder the terms:
1.666666667 + x2 = -1.666666667 + 1.666666667

Combine like terms: -1.666666667 + 1.666666667 = 0.000000000
1.666666667 + x2 = 0.000000000

The solution to this equation could not be determined.

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