-1x^2+2(-1+1)x-1+3=0

Solution for -1x^2+2(-1+1)x-1+3=0 equation:

Simplifying
-1x2 + 2(-1 + 1) * x + -1 + 3 = 0

Combine like terms: -1 + 1 = 0
-1x2 + 2(0) * x + -1 + 3 = 0

Multiply 2 * 0
-1x2 + 0x + -1 + 3 = 0

Anything times zero is zero.
-1x2 + 0x + -1 + 3 = 0

Reorder the terms:
0 + -1 + 3 + -1x2 = 0

Combine like terms: 0 + -1 = -1
-1 + 3 + -1x2 = 0

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

Solving
2 + -1x2 = 0

Solving for variable 'x'.

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

Add '-2' to each side of the equation.
2 + -2 + -1x2 = 0 + -2

Combine like terms: 2 + -2 = 0
0 + -1x2 = 0 + -2
-1x2 = 0 + -2

Combine like terms: 0 + -2 = -2
-1x2 = -2

Divide each side by '-1'.
x2 = 2

Simplifying
x2 = 2

Take the square root of each side:
x = {-1.414213562, 1.414213562}