18x^2+3-[7(x^2-6)+5]=

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Solution for 18x^2+3-[7(x^2-6)+5]= equation:


Simplifying
18x2 + 3 + -1[7(x2 + -6) + 5] = 0

Reorder the terms:
18x2 + 3 + -1[7(-6 + x2) + 5] = 0
18x2 + 3 + -1[(-6 * 7 + x2 * 7) + 5] = 0
18x2 + 3 + -1[(-42 + 7x2) + 5] = 0

Reorder the terms:
18x2 + 3 + -1[-42 + 5 + 7x2] = 0

Combine like terms: -42 + 5 = -37
18x2 + 3 + -1[-37 + 7x2] = 0
18x2 + 3 + [-37 * -1 + 7x2 * -1] = 0
18x2 + 3 + [37 + -7x2] = 0

Reorder the terms:
3 + 37 + 18x2 + -7x2 = 0

Combine like terms: 3 + 37 = 40
40 + 18x2 + -7x2 = 0

Combine like terms: 18x2 + -7x2 = 11x2
40 + 11x2 = 0

Solving
40 + 11x2 = 0

Solving for variable 'x'.

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

Add '-40' to each side of the equation.
40 + -40 + 11x2 = 0 + -40

Combine like terms: 40 + -40 = 0
0 + 11x2 = 0 + -40
11x2 = 0 + -40

Combine like terms: 0 + -40 = -40
11x2 = -40

Divide each side by '11'.
x2 = -3.636363636

Simplifying
x2 = -3.636363636

Reorder the terms:
3.636363636 + x2 = -3.636363636 + 3.636363636

Combine like terms: -3.636363636 + 3.636363636 = 0.000000000
3.636363636 + x2 = 0.000000000

The solution to this equation could not be determined.

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