-(-1x^2-2x+1)+4=0

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Solution for -(-1x^2-2x+1)+4=0 equation:


Simplifying
-1(-1x2 + -2x + 1) + 4 = 0

Reorder the terms:
-1(1 + -2x + -1x2) + 4 = 0
(1 * -1 + -2x * -1 + -1x2 * -1) + 4 = 0
(-1 + 2x + 1x2) + 4 = 0

Reorder the terms:
-1 + 4 + 2x + 1x2 = 0

Combine like terms: -1 + 4 = 3
3 + 2x + 1x2 = 0

Solving
3 + 2x + 1x2 = 0

Solving for variable 'x'.

Begin completing the square.

Move the constant term to the right:

Add '-3' to each side of the equation.
3 + 2x + -3 + x2 = 0 + -3

Reorder the terms:
3 + -3 + 2x + x2 = 0 + -3

Combine like terms: 3 + -3 = 0
0 + 2x + x2 = 0 + -3
2x + x2 = 0 + -3

Combine like terms: 0 + -3 = -3
2x + x2 = -3

The x term is 2x.  Take half its coefficient (1).
Square it (1) and add it to both sides.

Add '1' to each side of the equation.
2x + 1 + x2 = -3 + 1

Reorder the terms:
1 + 2x + x2 = -3 + 1

Combine like terms: -3 + 1 = -2
1 + 2x + x2 = -2

Factor a perfect square on the left side:
(x + 1)(x + 1) = -2

Can't calculate square root of the right side.

The solution to this equation could not be determined.

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