x^2+2x+1=7x-3

Solution for x^2+2x+1=7x-3 equation:

Simplifying
x2 + 2x + 1 = 7x + -3

Reorder the terms:
1 + 2x + x2 = 7x + -3

Reorder the terms:
1 + 2x + x2 = -3 + 7x

Solving
1 + 2x + x2 = -3 + 7x

Solving for variable 'x'.

Reorder the terms:
1 + 3 + 2x + -7x + x2 = -3 + 7x + 3 + -7x

Combine like terms: 1 + 3 = 4
4 + 2x + -7x + x2 = -3 + 7x + 3 + -7x

Combine like terms: 2x + -7x = -5x
4 + -5x + x2 = -3 + 7x + 3 + -7x

Reorder the terms:
4 + -5x + x2 = -3 + 3 + 7x + -7x

Combine like terms: -3 + 3 = 0
4 + -5x + x2 = 0 + 7x + -7x
4 + -5x + x2 = 7x + -7x

Combine like terms: 7x + -7x = 0
4 + -5x + x2 = 0

Factor a trinomial.
(1 + -1x)(4 + -1x) = 0

Subproblem 1
Set the factor '(1 + -1x)' equal to zero and attempt to solve:

Simplifying
1 + -1x = 0

Solving
1 + -1x = 0

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

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

Combine like terms: 1 + -1 = 0
0 + -1x = 0 + -1
-1x = 0 + -1

Combine like terms: 0 + -1 = -1
-1x = -1

Divide each side by '-1'.
x = 1

Simplifying
x = 1
Subproblem 2
Set the factor '(4 + -1x)' equal to zero and attempt to solve:

Simplifying
4 + -1x = 0

Solving
4 + -1x = 0

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

Add '-4' to each side of the equation.
4 + -4 + -1x = 0 + -4

Combine like terms: 4 + -4 = 0
0 + -1x = 0 + -4
-1x = 0 + -4

Combine like terms: 0 + -4 = -4
-1x = -4

Divide each side by '-1'.
x = 4

Simplifying
x = 4
Solution
x = {1, 4}