15x^2+5-[4(x^2-2)+6]=

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Solution for 15x^2+5-[4(x^2-2)+6]= equation:


Simplifying
15x2 + 5 + -1[4(x2 + -2) + 6] = 0

Reorder the terms:
15x2 + 5 + -1[4(-2 + x2) + 6] = 0
15x2 + 5 + -1[(-2 * 4 + x2 * 4) + 6] = 0
15x2 + 5 + -1[(-8 + 4x2) + 6] = 0

Reorder the terms:
15x2 + 5 + -1[-8 + 6 + 4x2] = 0

Combine like terms: -8 + 6 = -2
15x2 + 5 + -1[-2 + 4x2] = 0
15x2 + 5 + [-2 * -1 + 4x2 * -1] = 0
15x2 + 5 + [2 + -4x2] = 0

Reorder the terms:
5 + 2 + 15x2 + -4x2 = 0

Combine like terms: 5 + 2 = 7
7 + 15x2 + -4x2 = 0

Combine like terms: 15x2 + -4x2 = 11x2
7 + 11x2 = 0

Solving
7 + 11x2 = 0

Solving for variable 'x'.

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

Add '-7' to each side of the equation.
7 + -7 + 11x2 = 0 + -7

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

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

Divide each side by '11'.
x2 = -0.6363636364

Simplifying
x2 = -0.6363636364

Reorder the terms:
0.6363636364 + x2 = -0.6363636364 + 0.6363636364

Combine like terms: -0.6363636364 + 0.6363636364 = 0.0000000000
0.6363636364 + x2 = 0.0000000000

The solution to this equation could not be determined.

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