a^2-49a+64=0

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Solution for a^2-49a+64=0 equation:


Simplifying
a2 + -49a + 64 = 0

Reorder the terms:
64 + -49a + a2 = 0

Solving
64 + -49a + a2 = 0

Solving for variable 'a'.

Begin completing the square.

Move the constant term to the right:

Add '-64' to each side of the equation.
64 + -49a + -64 + a2 = 0 + -64

Reorder the terms:
64 + -64 + -49a + a2 = 0 + -64

Combine like terms: 64 + -64 = 0
0 + -49a + a2 = 0 + -64
-49a + a2 = 0 + -64

Combine like terms: 0 + -64 = -64
-49a + a2 = -64

The a term is -49a.  Take half its coefficient (-24.5).
Square it (600.25) and add it to both sides.

Add '600.25' to each side of the equation.
-49a + 600.25 + a2 = -64 + 600.25

Reorder the terms:
600.25 + -49a + a2 = -64 + 600.25

Combine like terms: -64 + 600.25 = 536.25
600.25 + -49a + a2 = 536.25

Factor a perfect square on the left side:
(a + -24.5)(a + -24.5) = 536.25

Calculate the square root of the right side: 23.157072354

Break this problem into two subproblems by setting 
(a + -24.5) equal to 23.157072354 and -23.157072354.

Subproblem 1

a + -24.5 = 23.157072354 Simplifying a + -24.5 = 23.157072354 Reorder the terms: -24.5 + a = 23.157072354 Solving -24.5 + a = 23.157072354 Solving for variable 'a'. Move all terms containing a to the left, all other terms to the right. Add '24.5' to each side of the equation. -24.5 + 24.5 + a = 23.157072354 + 24.5 Combine like terms: -24.5 + 24.5 = 0.0 0.0 + a = 23.157072354 + 24.5 a = 23.157072354 + 24.5 Combine like terms: 23.157072354 + 24.5 = 47.657072354 a = 47.657072354 Simplifying a = 47.657072354

Subproblem 2

a + -24.5 = -23.157072354 Simplifying a + -24.5 = -23.157072354 Reorder the terms: -24.5 + a = -23.157072354 Solving -24.5 + a = -23.157072354 Solving for variable 'a'. Move all terms containing a to the left, all other terms to the right. Add '24.5' to each side of the equation. -24.5 + 24.5 + a = -23.157072354 + 24.5 Combine like terms: -24.5 + 24.5 = 0.0 0.0 + a = -23.157072354 + 24.5 a = -23.157072354 + 24.5 Combine like terms: -23.157072354 + 24.5 = 1.342927646 a = 1.342927646 Simplifying a = 1.342927646

Solution

The solution to the problem is based on the solutions from the subproblems. a = {47.657072354, 1.342927646}

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