-3x^2=5x+1

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Solution for -3x^2=5x+1 equation:


Simplifying
-3x2 = 5x + 1

Reorder the terms:
-3x2 = 1 + 5x

Solving
-3x2 = 1 + 5x

Solving for variable 'x'.

Reorder the terms:
-1 + -5x + -3x2 = 1 + 5x + -1 + -5x

Reorder the terms:
-1 + -5x + -3x2 = 1 + -1 + 5x + -5x

Combine like terms: 1 + -1 = 0
-1 + -5x + -3x2 = 0 + 5x + -5x
-1 + -5x + -3x2 = 5x + -5x

Combine like terms: 5x + -5x = 0
-1 + -5x + -3x2 = 0

Factor out the Greatest Common Factor (GCF), '-1'.
-1(1 + 5x + 3x2) = 0

Ignore the factor -1.

Subproblem 1

Set the factor '(1 + 5x + 3x2)' equal to zero and attempt to solve: Simplifying 1 + 5x + 3x2 = 0 Solving 1 + 5x + 3x2 = 0 Begin completing the square. Divide all terms by 3 the coefficient of the squared term: Divide each side by '3'. 0.3333333333 + 1.666666667x + x2 = 0 Move the constant term to the right: Add '-0.3333333333' to each side of the equation. 0.3333333333 + 1.666666667x + -0.3333333333 + x2 = 0 + -0.3333333333 Reorder the terms: 0.3333333333 + -0.3333333333 + 1.666666667x + x2 = 0 + -0.3333333333 Combine like terms: 0.3333333333 + -0.3333333333 = 0.0000000000 0.0000000000 + 1.666666667x + x2 = 0 + -0.3333333333 1.666666667x + x2 = 0 + -0.3333333333 Combine like terms: 0 + -0.3333333333 = -0.3333333333 1.666666667x + x2 = -0.3333333333 The x term is 1.666666667x. Take half its coefficient (0.8333333335). Square it (0.6944444447) and add it to both sides. Add '0.6944444447' to each side of the equation. 1.666666667x + 0.6944444447 + x2 = -0.3333333333 + 0.6944444447 Reorder the terms: 0.6944444447 + 1.666666667x + x2 = -0.3333333333 + 0.6944444447 Combine like terms: -0.3333333333 + 0.6944444447 = 0.3611111114 0.6944444447 + 1.666666667x + x2 = 0.3611111114 Factor a perfect square on the left side: (x + 0.8333333335)(x + 0.8333333335) = 0.3611111114 Calculate the square root of the right side: 0.600925213 Break this problem into two subproblems by setting (x + 0.8333333335) equal to 0.600925213 and -0.600925213.

Subproblem 1

x + 0.8333333335 = 0.600925213 Simplifying x + 0.8333333335 = 0.600925213 Reorder the terms: 0.8333333335 + x = 0.600925213 Solving 0.8333333335 + x = 0.600925213 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-0.8333333335' to each side of the equation. 0.8333333335 + -0.8333333335 + x = 0.600925213 + -0.8333333335 Combine like terms: 0.8333333335 + -0.8333333335 = 0.0000000000 0.0000000000 + x = 0.600925213 + -0.8333333335 x = 0.600925213 + -0.8333333335 Combine like terms: 0.600925213 + -0.8333333335 = -0.2324081205 x = -0.2324081205 Simplifying x = -0.2324081205

Subproblem 2

x + 0.8333333335 = -0.600925213 Simplifying x + 0.8333333335 = -0.600925213 Reorder the terms: 0.8333333335 + x = -0.600925213 Solving 0.8333333335 + x = -0.600925213 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-0.8333333335' to each side of the equation. 0.8333333335 + -0.8333333335 + x = -0.600925213 + -0.8333333335 Combine like terms: 0.8333333335 + -0.8333333335 = 0.0000000000 0.0000000000 + x = -0.600925213 + -0.8333333335 x = -0.600925213 + -0.8333333335 Combine like terms: -0.600925213 + -0.8333333335 = -1.4342585465 x = -1.4342585465 Simplifying x = -1.4342585465

Solution

The solution to the problem is based on the solutions from the subproblems. x = {-0.2324081205, -1.4342585465}

Solution

x = {-0.2324081205, -1.4342585465}

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