-2x+1=x^2+2+5

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Solution for -2x+1=x^2+2+5 equation:


Simplifying
-2x + 1 = x2 + 2 + 5

Reorder the terms:
1 + -2x = x2 + 2 + 5

Reorder the terms:
1 + -2x = 2 + 5 + x2

Combine like terms: 2 + 5 = 7
1 + -2x = 7 + x2

Solving
1 + -2x = 7 + x2

Solving for variable 'x'.

Reorder the terms:
1 + -7 + -2x + -1x2 = 7 + x2 + -7 + -1x2

Combine like terms: 1 + -7 = -6
-6 + -2x + -1x2 = 7 + x2 + -7 + -1x2

Reorder the terms:
-6 + -2x + -1x2 = 7 + -7 + x2 + -1x2

Combine like terms: 7 + -7 = 0
-6 + -2x + -1x2 = 0 + x2 + -1x2
-6 + -2x + -1x2 = x2 + -1x2

Combine like terms: x2 + -1x2 = 0
-6 + -2x + -1x2 = 0

Factor out the Greatest Common Factor (GCF), '-1'.
-1(6 + 2x + x2) = 0

Ignore the factor -1.

Subproblem 1

Set the factor '(6 + 2x + x2)' equal to zero and attempt to solve: Simplifying 6 + 2x + x2 = 0 Solving 6 + 2x + x2 = 0 Begin completing the square. Move the constant term to the right: Add '-6' to each side of the equation. 6 + 2x + -6 + x2 = 0 + -6 Reorder the terms: 6 + -6 + 2x + x2 = 0 + -6 Combine like terms: 6 + -6 = 0 0 + 2x + x2 = 0 + -6 2x + x2 = 0 + -6 Combine like terms: 0 + -6 = -6 2x + x2 = -6 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 = -6 + 1 Reorder the terms: 1 + 2x + x2 = -6 + 1 Combine like terms: -6 + 1 = -5 1 + 2x + x2 = -5 Factor a perfect square on the left side: (x + 1)(x + 1) = -5 Can't calculate square root of the right side. The solution to this equation could not be determined. This subproblem is being ignored because a solution could not be determined. The solution to this equation could not be determined.

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