4x^2-49x+144=

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Solution for 4x^2-49x+144= equation:


Simplifying
4x2 + -49x + 144 = 0

Reorder the terms:
144 + -49x + 4x2 = 0

Solving
144 + -49x + 4x2 = 0

Solving for variable 'x'.

Begin completing the square.  Divide all terms by
4 the coefficient of the squared term: 

Divide each side by '4'.
36 + -12.25x + x2 = 0

Move the constant term to the right:

Add '-36' to each side of the equation.
36 + -12.25x + -36 + x2 = 0 + -36

Reorder the terms:
36 + -36 + -12.25x + x2 = 0 + -36

Combine like terms: 36 + -36 = 0
0 + -12.25x + x2 = 0 + -36
-12.25x + x2 = 0 + -36

Combine like terms: 0 + -36 = -36
-12.25x + x2 = -36

The x term is -12.25x.  Take half its coefficient (-6.125).
Square it (37.515625) and add it to both sides.

Add '37.515625' to each side of the equation.
-12.25x + 37.515625 + x2 = -36 + 37.515625

Reorder the terms:
37.515625 + -12.25x + x2 = -36 + 37.515625

Combine like terms: -36 + 37.515625 = 1.515625
37.515625 + -12.25x + x2 = 1.515625

Factor a perfect square on the left side:
(x + -6.125)(x + -6.125) = 1.515625

Calculate the square root of the right side: 1.231107225

Break this problem into two subproblems by setting 
(x + -6.125) equal to 1.231107225 and -1.231107225.

Subproblem 1

x + -6.125 = 1.231107225 Simplifying x + -6.125 = 1.231107225 Reorder the terms: -6.125 + x = 1.231107225 Solving -6.125 + x = 1.231107225 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '6.125' to each side of the equation. -6.125 + 6.125 + x = 1.231107225 + 6.125 Combine like terms: -6.125 + 6.125 = 0.000 0.000 + x = 1.231107225 + 6.125 x = 1.231107225 + 6.125 Combine like terms: 1.231107225 + 6.125 = 7.356107225 x = 7.356107225 Simplifying x = 7.356107225

Subproblem 2

x + -6.125 = -1.231107225 Simplifying x + -6.125 = -1.231107225 Reorder the terms: -6.125 + x = -1.231107225 Solving -6.125 + x = -1.231107225 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '6.125' to each side of the equation. -6.125 + 6.125 + x = -1.231107225 + 6.125 Combine like terms: -6.125 + 6.125 = 0.000 0.000 + x = -1.231107225 + 6.125 x = -1.231107225 + 6.125 Combine like terms: -1.231107225 + 6.125 = 4.893892775 x = 4.893892775 Simplifying x = 4.893892775

Solution

The solution to the problem is based on the solutions from the subproblems. x = {7.356107225, 4.893892775}

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