13x^2+7-[3(x^2-8)+8]=

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Solution for 13x^2+7-[3(x^2-8)+8]= equation:


Simplifying
13x2 + 7 + -1[3(x2 + -8) + 8] = 0

Reorder the terms:
13x2 + 7 + -1[3(-8 + x2) + 8] = 0
13x2 + 7 + -1[(-8 * 3 + x2 * 3) + 8] = 0
13x2 + 7 + -1[(-24 + 3x2) + 8] = 0

Reorder the terms:
13x2 + 7 + -1[-24 + 8 + 3x2] = 0

Combine like terms: -24 + 8 = -16
13x2 + 7 + -1[-16 + 3x2] = 0
13x2 + 7 + [-16 * -1 + 3x2 * -1] = 0
13x2 + 7 + [16 + -3x2] = 0

Reorder the terms:
7 + 16 + 13x2 + -3x2 = 0

Combine like terms: 7 + 16 = 23
23 + 13x2 + -3x2 = 0

Combine like terms: 13x2 + -3x2 = 10x2
23 + 10x2 = 0

Solving
23 + 10x2 = 0

Solving for variable 'x'.

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

Add '-23' to each side of the equation.
23 + -23 + 10x2 = 0 + -23

Combine like terms: 23 + -23 = 0
0 + 10x2 = 0 + -23
10x2 = 0 + -23

Combine like terms: 0 + -23 = -23
10x2 = -23

Divide each side by '10'.
x2 = -2.3

Simplifying
x2 = -2.3

Reorder the terms:
2.3 + x2 = -2.3 + 2.3

Combine like terms: -2.3 + 2.3 = 0.0
2.3 + x2 = 0.0

The solution to this equation could not be determined.

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