-8x(x^2-3x)+5x(-3x^2-4x+1)=

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Solution for -8x(x^2-3x)+5x(-3x^2-4x+1)= equation:


Simplifying
-8x(x2 + -3x) + 5x(-3x2 + -4x + 1) = 0

Reorder the terms:
-8x(-3x + x2) + 5x(-3x2 + -4x + 1) = 0
(-3x * -8x + x2 * -8x) + 5x(-3x2 + -4x + 1) = 0
(24x2 + -8x3) + 5x(-3x2 + -4x + 1) = 0

Reorder the terms:
24x2 + -8x3 + 5x(1 + -4x + -3x2) = 0
24x2 + -8x3 + (1 * 5x + -4x * 5x + -3x2 * 5x) = 0
24x2 + -8x3 + (5x + -20x2 + -15x3) = 0

Reorder the terms:
5x + 24x2 + -20x2 + -8x3 + -15x3 = 0

Combine like terms: 24x2 + -20x2 = 4x2
5x + 4x2 + -8x3 + -15x3 = 0

Combine like terms: -8x3 + -15x3 = -23x3
5x + 4x2 + -23x3 = 0

Solving
5x + 4x2 + -23x3 = 0

Solving for variable 'x'.

Factor out the Greatest Common Factor (GCF), 'x'.
x(5 + 4x + -23x2) = 0

Subproblem 1

Set the factor 'x' equal to zero and attempt to solve: Simplifying x = 0 Solving x = 0 Move all terms containing x to the left, all other terms to the right. Simplifying x = 0

Subproblem 2

Set the factor '(5 + 4x + -23x2)' equal to zero and attempt to solve: Simplifying 5 + 4x + -23x2 = 0 Solving 5 + 4x + -23x2 = 0 Begin completing the square. Divide all terms by -23 the coefficient of the squared term: Divide each side by '-23'. -0.2173913043 + -0.1739130435x + x2 = 0 Move the constant term to the right: Add '0.2173913043' to each side of the equation. -0.2173913043 + -0.1739130435x + 0.2173913043 + x2 = 0 + 0.2173913043 Reorder the terms: -0.2173913043 + 0.2173913043 + -0.1739130435x + x2 = 0 + 0.2173913043 Combine like terms: -0.2173913043 + 0.2173913043 = 0.0000000000 0.0000000000 + -0.1739130435x + x2 = 0 + 0.2173913043 -0.1739130435x + x2 = 0 + 0.2173913043 Combine like terms: 0 + 0.2173913043 = 0.2173913043 -0.1739130435x + x2 = 0.2173913043 The x term is -0.1739130435x. Take half its coefficient (-0.08695652175). Square it (0.007561436675) and add it to both sides. Add '0.007561436675' to each side of the equation. -0.1739130435x + 0.007561436675 + x2 = 0.2173913043 + 0.007561436675 Reorder the terms: 0.007561436675 + -0.1739130435x + x2 = 0.2173913043 + 0.007561436675 Combine like terms: 0.2173913043 + 0.007561436675 = 0.224952740975 0.007561436675 + -0.1739130435x + x2 = 0.224952740975 Factor a perfect square on the left side: (x + -0.08695652175)(x + -0.08695652175) = 0.224952740975 Calculate the square root of the right side: 0.474291831 Break this problem into two subproblems by setting (x + -0.08695652175) equal to 0.474291831 and -0.474291831.

Subproblem 1

x + -0.08695652175 = 0.474291831 Simplifying x + -0.08695652175 = 0.474291831 Reorder the terms: -0.08695652175 + x = 0.474291831 Solving -0.08695652175 + x = 0.474291831 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '0.08695652175' to each side of the equation. -0.08695652175 + 0.08695652175 + x = 0.474291831 + 0.08695652175 Combine like terms: -0.08695652175 + 0.08695652175 = 0.00000000000 0.00000000000 + x = 0.474291831 + 0.08695652175 x = 0.474291831 + 0.08695652175 Combine like terms: 0.474291831 + 0.08695652175 = 0.56124835275 x = 0.56124835275 Simplifying x = 0.56124835275

Subproblem 2

x + -0.08695652175 = -0.474291831 Simplifying x + -0.08695652175 = -0.474291831 Reorder the terms: -0.08695652175 + x = -0.474291831 Solving -0.08695652175 + x = -0.474291831 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '0.08695652175' to each side of the equation. -0.08695652175 + 0.08695652175 + x = -0.474291831 + 0.08695652175 Combine like terms: -0.08695652175 + 0.08695652175 = 0.00000000000 0.00000000000 + x = -0.474291831 + 0.08695652175 x = -0.474291831 + 0.08695652175 Combine like terms: -0.474291831 + 0.08695652175 = -0.38733530925 x = -0.38733530925 Simplifying x = -0.38733530925

Solution

The solution to the problem is based on the solutions from the subproblems. x = {0.56124835275, -0.38733530925}

Solution

x = {0, 0.56124835275, -0.38733530925}

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