8x*(3x-1)=100

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Solution for 8x*(3x-1)=100 equation:


Simplifying
8x(3x + -1) = 100

Reorder the terms:
8x(-1 + 3x) = 100
(-1 * 8x + 3x * 8x) = 100
(-8x + 24x2) = 100

Solving
-8x + 24x2 = 100

Solving for variable 'x'.

Reorder the terms:
-100 + -8x + 24x2 = 100 + -100

Combine like terms: 100 + -100 = 0
-100 + -8x + 24x2 = 0

Factor out the Greatest Common Factor (GCF), '4'.
4(-25 + -2x + 6x2) = 0

Ignore the factor 4.

Subproblem 1

Set the factor '(-25 + -2x + 6x2)' equal to zero and attempt to solve: Simplifying -25 + -2x + 6x2 = 0 Solving -25 + -2x + 6x2 = 0 Begin completing the square. Divide all terms by 6 the coefficient of the squared term: Divide each side by '6'. -4.166666667 + -0.3333333333x + x2 = 0 Move the constant term to the right: Add '4.166666667' to each side of the equation. -4.166666667 + -0.3333333333x + 4.166666667 + x2 = 0 + 4.166666667 Reorder the terms: -4.166666667 + 4.166666667 + -0.3333333333x + x2 = 0 + 4.166666667 Combine like terms: -4.166666667 + 4.166666667 = 0.000000000 0.000000000 + -0.3333333333x + x2 = 0 + 4.166666667 -0.3333333333x + x2 = 0 + 4.166666667 Combine like terms: 0 + 4.166666667 = 4.166666667 -0.3333333333x + x2 = 4.166666667 The x term is -0.3333333333x. Take half its coefficient (-0.1666666667). Square it (0.02777777779) and add it to both sides. Add '0.02777777779' to each side of the equation. -0.3333333333x + 0.02777777779 + x2 = 4.166666667 + 0.02777777779 Reorder the terms: 0.02777777779 + -0.3333333333x + x2 = 4.166666667 + 0.02777777779 Combine like terms: 4.166666667 + 0.02777777779 = 4.19444444479 0.02777777779 + -0.3333333333x + x2 = 4.19444444479 Factor a perfect square on the left side: (x + -0.1666666667)(x + -0.1666666667) = 4.19444444479 Calculate the square root of the right side: 2.048034288 Break this problem into two subproblems by setting (x + -0.1666666667) equal to 2.048034288 and -2.048034288.

Subproblem 1

x + -0.1666666667 = 2.048034288 Simplifying x + -0.1666666667 = 2.048034288 Reorder the terms: -0.1666666667 + x = 2.048034288 Solving -0.1666666667 + x = 2.048034288 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '0.1666666667' to each side of the equation. -0.1666666667 + 0.1666666667 + x = 2.048034288 + 0.1666666667 Combine like terms: -0.1666666667 + 0.1666666667 = 0.0000000000 0.0000000000 + x = 2.048034288 + 0.1666666667 x = 2.048034288 + 0.1666666667 Combine like terms: 2.048034288 + 0.1666666667 = 2.2147009547 x = 2.2147009547 Simplifying x = 2.2147009547

Subproblem 2

x + -0.1666666667 = -2.048034288 Simplifying x + -0.1666666667 = -2.048034288 Reorder the terms: -0.1666666667 + x = -2.048034288 Solving -0.1666666667 + x = -2.048034288 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '0.1666666667' to each side of the equation. -0.1666666667 + 0.1666666667 + x = -2.048034288 + 0.1666666667 Combine like terms: -0.1666666667 + 0.1666666667 = 0.0000000000 0.0000000000 + x = -2.048034288 + 0.1666666667 x = -2.048034288 + 0.1666666667 Combine like terms: -2.048034288 + 0.1666666667 = -1.8813676213 x = -1.8813676213 Simplifying x = -1.8813676213

Solution

The solution to the problem is based on the solutions from the subproblems. x = {2.2147009547, -1.8813676213}

Solution

x = {2.2147009547, -1.8813676213}

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