6x^2+26x=38

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Solution for 6x^2+26x=38 equation:


Simplifying
6x2 + 26x = 38

Reorder the terms:
26x + 6x2 = 38

Solving
26x + 6x2 = 38

Solving for variable 'x'.

Reorder the terms:
-38 + 26x + 6x2 = 38 + -38

Combine like terms: 38 + -38 = 0
-38 + 26x + 6x2 = 0

Factor out the Greatest Common Factor (GCF), '2'.
2(-19 + 13x + 3x2) = 0

Ignore the factor 2.

Subproblem 1

Set the factor '(-19 + 13x + 3x2)' equal to zero and attempt to solve: Simplifying -19 + 13x + 3x2 = 0 Solving -19 + 13x + 3x2 = 0 Begin completing the square. Divide all terms by 3 the coefficient of the squared term: Divide each side by '3'. -6.333333333 + 4.333333333x + x2 = 0 Move the constant term to the right: Add '6.333333333' to each side of the equation. -6.333333333 + 4.333333333x + 6.333333333 + x2 = 0 + 6.333333333 Reorder the terms: -6.333333333 + 6.333333333 + 4.333333333x + x2 = 0 + 6.333333333 Combine like terms: -6.333333333 + 6.333333333 = 0.000000000 0.000000000 + 4.333333333x + x2 = 0 + 6.333333333 4.333333333x + x2 = 0 + 6.333333333 Combine like terms: 0 + 6.333333333 = 6.333333333 4.333333333x + x2 = 6.333333333 The x term is 4.333333333x. Take half its coefficient (2.166666667). Square it (4.694444446) and add it to both sides. Add '4.694444446' to each side of the equation. 4.333333333x + 4.694444446 + x2 = 6.333333333 + 4.694444446 Reorder the terms: 4.694444446 + 4.333333333x + x2 = 6.333333333 + 4.694444446 Combine like terms: 6.333333333 + 4.694444446 = 11.027777779 4.694444446 + 4.333333333x + x2 = 11.027777779 Factor a perfect square on the left side: (x + 2.166666667)(x + 2.166666667) = 11.027777779 Calculate the square root of the right side: 3.320809808 Break this problem into two subproblems by setting (x + 2.166666667) equal to 3.320809808 and -3.320809808.

Subproblem 1

x + 2.166666667 = 3.320809808 Simplifying x + 2.166666667 = 3.320809808 Reorder the terms: 2.166666667 + x = 3.320809808 Solving 2.166666667 + x = 3.320809808 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-2.166666667' to each side of the equation. 2.166666667 + -2.166666667 + x = 3.320809808 + -2.166666667 Combine like terms: 2.166666667 + -2.166666667 = 0.000000000 0.000000000 + x = 3.320809808 + -2.166666667 x = 3.320809808 + -2.166666667 Combine like terms: 3.320809808 + -2.166666667 = 1.154143141 x = 1.154143141 Simplifying x = 1.154143141

Subproblem 2

x + 2.166666667 = -3.320809808 Simplifying x + 2.166666667 = -3.320809808 Reorder the terms: 2.166666667 + x = -3.320809808 Solving 2.166666667 + x = -3.320809808 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-2.166666667' to each side of the equation. 2.166666667 + -2.166666667 + x = -3.320809808 + -2.166666667 Combine like terms: 2.166666667 + -2.166666667 = 0.000000000 0.000000000 + x = -3.320809808 + -2.166666667 x = -3.320809808 + -2.166666667 Combine like terms: -3.320809808 + -2.166666667 = -5.487476475 x = -5.487476475 Simplifying x = -5.487476475

Solution

The solution to the problem is based on the solutions from the subproblems. x = {1.154143141, -5.487476475}

Solution

x = {1.154143141, -5.487476475}

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