20x^2+8-[6(x^2-5)+9]=

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Solution for 20x^2+8-[6(x^2-5)+9]= equation:


Simplifying
20x2 + 8 + -1[6(x2 + -5) + 9] = 0

Reorder the terms:
20x2 + 8 + -1[6(-5 + x2) + 9] = 0
20x2 + 8 + -1[(-5 * 6 + x2 * 6) + 9] = 0
20x2 + 8 + -1[(-30 + 6x2) + 9] = 0

Reorder the terms:
20x2 + 8 + -1[-30 + 9 + 6x2] = 0

Combine like terms: -30 + 9 = -21
20x2 + 8 + -1[-21 + 6x2] = 0
20x2 + 8 + [-21 * -1 + 6x2 * -1] = 0
20x2 + 8 + [21 + -6x2] = 0

Reorder the terms:
8 + 21 + 20x2 + -6x2 = 0

Combine like terms: 8 + 21 = 29
29 + 20x2 + -6x2 = 0

Combine like terms: 20x2 + -6x2 = 14x2
29 + 14x2 = 0

Solving
29 + 14x2 = 0

Solving for variable 'x'.

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

Add '-29' to each side of the equation.
29 + -29 + 14x2 = 0 + -29

Combine like terms: 29 + -29 = 0
0 + 14x2 = 0 + -29
14x2 = 0 + -29

Combine like terms: 0 + -29 = -29
14x2 = -29

Divide each side by '14'.
x2 = -2.071428571

Simplifying
x2 = -2.071428571

Reorder the terms:
2.071428571 + x2 = -2.071428571 + 2.071428571

Combine like terms: -2.071428571 + 2.071428571 = 0.000000000
2.071428571 + x2 = 0.000000000

The solution to this equation could not be determined.

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