4x^2-3x=5-3x^2

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Solution for 4x^2-3x=5-3x^2 equation:


Simplifying
4x2 + -3x = 5 + -3x2

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

Solving
-3x + 4x2 = 5 + -3x2

Solving for variable 'x'.

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

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

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

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

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

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

Divide each side by '7'.
-0.7142857143 + -0.4285714286x + x2 = 0

Move the constant term to the right:

Add '0.7142857143' to each side of the equation.
-0.7142857143 + -0.4285714286x + 0.7142857143 + x2 = 0 + 0.7142857143

Reorder the terms:
-0.7142857143 + 0.7142857143 + -0.4285714286x + x2 = 0 + 0.7142857143

Combine like terms: -0.7142857143 + 0.7142857143 = 0.0000000000
0.0000000000 + -0.4285714286x + x2 = 0 + 0.7142857143
-0.4285714286x + x2 = 0 + 0.7142857143

Combine like terms: 0 + 0.7142857143 = 0.7142857143
-0.4285714286x + x2 = 0.7142857143

The x term is -0.4285714286x.  Take half its coefficient (-0.2142857143).
Square it (0.04591836735) and add it to both sides.

Add '0.04591836735' to each side of the equation.
-0.4285714286x + 0.04591836735 + x2 = 0.7142857143 + 0.04591836735

Reorder the terms:
0.04591836735 + -0.4285714286x + x2 = 0.7142857143 + 0.04591836735

Combine like terms: 0.7142857143 + 0.04591836735 = 0.76020408165
0.04591836735 + -0.4285714286x + x2 = 0.76020408165

Factor a perfect square on the left side:
(x + -0.2142857143)(x + -0.2142857143) = 0.76020408165

Calculate the square root of the right side: 0.87189683

Break this problem into two subproblems by setting 
(x + -0.2142857143) equal to 0.87189683 and -0.87189683.

Subproblem 1

x + -0.2142857143 = 0.87189683 Simplifying x + -0.2142857143 = 0.87189683 Reorder the terms: -0.2142857143 + x = 0.87189683 Solving -0.2142857143 + x = 0.87189683 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '0.2142857143' to each side of the equation. -0.2142857143 + 0.2142857143 + x = 0.87189683 + 0.2142857143 Combine like terms: -0.2142857143 + 0.2142857143 = 0.0000000000 0.0000000000 + x = 0.87189683 + 0.2142857143 x = 0.87189683 + 0.2142857143 Combine like terms: 0.87189683 + 0.2142857143 = 1.0861825443 x = 1.0861825443 Simplifying x = 1.0861825443

Subproblem 2

x + -0.2142857143 = -0.87189683 Simplifying x + -0.2142857143 = -0.87189683 Reorder the terms: -0.2142857143 + x = -0.87189683 Solving -0.2142857143 + x = -0.87189683 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '0.2142857143' to each side of the equation. -0.2142857143 + 0.2142857143 + x = -0.87189683 + 0.2142857143 Combine like terms: -0.2142857143 + 0.2142857143 = 0.0000000000 0.0000000000 + x = -0.87189683 + 0.2142857143 x = -0.87189683 + 0.2142857143 Combine like terms: -0.87189683 + 0.2142857143 = -0.6576111157 x = -0.6576111157 Simplifying x = -0.6576111157

Solution

The solution to the problem is based on the solutions from the subproblems. x = {1.0861825443, -0.6576111157}

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