y^2+26y=3

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Solution for y^2+26y=3 equation:


Simplifying
y2 + 26y = 3

Reorder the terms:
26y + y2 = 3

Solving
26y + y2 = 3

Solving for variable 'y'.

Reorder the terms:
-3 + 26y + y2 = 3 + -3

Combine like terms: 3 + -3 = 0
-3 + 26y + y2 = 0

Begin completing the square.

Move the constant term to the right:

Add '3' to each side of the equation.
-3 + 26y + 3 + y2 = 0 + 3

Reorder the terms:
-3 + 3 + 26y + y2 = 0 + 3

Combine like terms: -3 + 3 = 0
0 + 26y + y2 = 0 + 3
26y + y2 = 0 + 3

Combine like terms: 0 + 3 = 3
26y + y2 = 3

The y term is 26y.  Take half its coefficient (13).
Square it (169) and add it to both sides.

Add '169' to each side of the equation.
26y + 169 + y2 = 3 + 169

Reorder the terms:
169 + 26y + y2 = 3 + 169

Combine like terms: 3 + 169 = 172
169 + 26y + y2 = 172

Factor a perfect square on the left side:
(y + 13)(y + 13) = 172

Calculate the square root of the right side: 13.114877049

Break this problem into two subproblems by setting 
(y + 13) equal to 13.114877049 and -13.114877049.

Subproblem 1

y + 13 = 13.114877049 Simplifying y + 13 = 13.114877049 Reorder the terms: 13 + y = 13.114877049 Solving 13 + y = 13.114877049 Solving for variable 'y'. Move all terms containing y to the left, all other terms to the right. Add '-13' to each side of the equation. 13 + -13 + y = 13.114877049 + -13 Combine like terms: 13 + -13 = 0 0 + y = 13.114877049 + -13 y = 13.114877049 + -13 Combine like terms: 13.114877049 + -13 = 0.114877049 y = 0.114877049 Simplifying y = 0.114877049

Subproblem 2

y + 13 = -13.114877049 Simplifying y + 13 = -13.114877049 Reorder the terms: 13 + y = -13.114877049 Solving 13 + y = -13.114877049 Solving for variable 'y'. Move all terms containing y to the left, all other terms to the right. Add '-13' to each side of the equation. 13 + -13 + y = -13.114877049 + -13 Combine like terms: 13 + -13 = 0 0 + y = -13.114877049 + -13 y = -13.114877049 + -13 Combine like terms: -13.114877049 + -13 = -26.114877049 y = -26.114877049 Simplifying y = -26.114877049

Solution

The solution to the problem is based on the solutions from the subproblems. y = {0.114877049, -26.114877049}

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