20x^2+2-[7(x^2-7)+5]=

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Solution for 20x^2+2-[7(x^2-7)+5]= equation:


Simplifying
20x2 + 2 + -1[7(x2 + -7) + 5] = 0

Reorder the terms:
20x2 + 2 + -1[7(-7 + x2) + 5] = 0
20x2 + 2 + -1[(-7 * 7 + x2 * 7) + 5] = 0
20x2 + 2 + -1[(-49 + 7x2) + 5] = 0

Reorder the terms:
20x2 + 2 + -1[-49 + 5 + 7x2] = 0

Combine like terms: -49 + 5 = -44
20x2 + 2 + -1[-44 + 7x2] = 0
20x2 + 2 + [-44 * -1 + 7x2 * -1] = 0
20x2 + 2 + [44 + -7x2] = 0

Reorder the terms:
2 + 44 + 20x2 + -7x2 = 0

Combine like terms: 2 + 44 = 46
46 + 20x2 + -7x2 = 0

Combine like terms: 20x2 + -7x2 = 13x2
46 + 13x2 = 0

Solving
46 + 13x2 = 0

Solving for variable 'x'.

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

Add '-46' to each side of the equation.
46 + -46 + 13x2 = 0 + -46

Combine like terms: 46 + -46 = 0
0 + 13x2 = 0 + -46
13x2 = 0 + -46

Combine like terms: 0 + -46 = -46
13x2 = -46

Divide each side by '13'.
x2 = -3.538461538

Simplifying
x2 = -3.538461538

Reorder the terms:
3.538461538 + x2 = -3.538461538 + 3.538461538

Combine like terms: -3.538461538 + 3.538461538 = 0.000000000
3.538461538 + x2 = 0.000000000

The solution to this equation could not be determined.

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