13x^2+3-[6(x^2-9)+8]=

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Solution for 13x^2+3-[6(x^2-9)+8]= equation:


Simplifying
13x2 + 3 + -1[6(x2 + -9) + 8] = 0

Reorder the terms:
13x2 + 3 + -1[6(-9 + x2) + 8] = 0
13x2 + 3 + -1[(-9 * 6 + x2 * 6) + 8] = 0
13x2 + 3 + -1[(-54 + 6x2) + 8] = 0

Reorder the terms:
13x2 + 3 + -1[-54 + 8 + 6x2] = 0

Combine like terms: -54 + 8 = -46
13x2 + 3 + -1[-46 + 6x2] = 0
13x2 + 3 + [-46 * -1 + 6x2 * -1] = 0
13x2 + 3 + [46 + -6x2] = 0

Reorder the terms:
3 + 46 + 13x2 + -6x2 = 0

Combine like terms: 3 + 46 = 49
49 + 13x2 + -6x2 = 0

Combine like terms: 13x2 + -6x2 = 7x2
49 + 7x2 = 0

Solving
49 + 7x2 = 0

Solving for variable 'x'.

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

Add '-49' to each side of the equation.
49 + -49 + 7x2 = 0 + -49

Combine like terms: 49 + -49 = 0
0 + 7x2 = 0 + -49
7x2 = 0 + -49

Combine like terms: 0 + -49 = -49
7x2 = -49

Divide each side by '7'.
x2 = -7

Simplifying
x2 = -7

Reorder the terms:
7 + x2 = -7 + 7

Combine like terms: -7 + 7 = 0
7 + x2 = 0

The solution to this equation could not be determined.

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