(3x^2-7x-1)(-4)x^5=

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Solution for (3x^2-7x-1)(-4)x^5= equation:


Simplifying
(3x2 + -7x + -1)(-4) * x5 = 0

Reorder the terms:
(-1 + -7x + 3x2)(-4) * x5 = 0

Reorder the terms for easier multiplication:
-4x5(-1 + -7x + 3x2) = 0
(-1 * -4x5 + -7x * -4x5 + 3x2 * -4x5) = 0
(4x5 + 28x6 + -12x7) = 0

Solving
4x5 + 28x6 + -12x7 = 0

Solving for variable 'x'.

Factor out the Greatest Common Factor (GCF), '4x5'.
4x5(1 + 7x + -3x2) = 0

Ignore the factor 4.

Subproblem 1

Set the factor 'x5' equal to zero and attempt to solve: Simplifying x5 = 0 Solving x5 = 0 Move all terms containing x to the left, all other terms to the right. Simplifying x5 = 0 The solution to this equation could not be determined. This subproblem is being ignored because a solution could not be determined.

Subproblem 2

Set the factor '(1 + 7x + -3x2)' equal to zero and attempt to solve: Simplifying 1 + 7x + -3x2 = 0 Solving 1 + 7x + -3x2 = 0 Begin completing the square. Divide all terms by -3 the coefficient of the squared term: Divide each side by '-3'. -0.3333333333 + -2.333333333x + x2 = 0 Move the constant term to the right: Add '0.3333333333' to each side of the equation. -0.3333333333 + -2.333333333x + 0.3333333333 + x2 = 0 + 0.3333333333 Reorder the terms: -0.3333333333 + 0.3333333333 + -2.333333333x + x2 = 0 + 0.3333333333 Combine like terms: -0.3333333333 + 0.3333333333 = 0.0000000000 0.0000000000 + -2.333333333x + x2 = 0 + 0.3333333333 -2.333333333x + x2 = 0 + 0.3333333333 Combine like terms: 0 + 0.3333333333 = 0.3333333333 -2.333333333x + x2 = 0.3333333333 The x term is -2.333333333x. Take half its coefficient (-1.166666667). Square it (1.361111112) and add it to both sides. Add '1.361111112' to each side of the equation. -2.333333333x + 1.361111112 + x2 = 0.3333333333 + 1.361111112 Reorder the terms: 1.361111112 + -2.333333333x + x2 = 0.3333333333 + 1.361111112 Combine like terms: 0.3333333333 + 1.361111112 = 1.6944444453 1.361111112 + -2.333333333x + x2 = 1.6944444453 Factor a perfect square on the left side: (x + -1.166666667)(x + -1.166666667) = 1.6944444453 Calculate the square root of the right side: 1.30170828 Break this problem into two subproblems by setting (x + -1.166666667) equal to 1.30170828 and -1.30170828.

Subproblem 1

x + -1.166666667 = 1.30170828 Simplifying x + -1.166666667 = 1.30170828 Reorder the terms: -1.166666667 + x = 1.30170828 Solving -1.166666667 + x = 1.30170828 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '1.166666667' to each side of the equation. -1.166666667 + 1.166666667 + x = 1.30170828 + 1.166666667 Combine like terms: -1.166666667 + 1.166666667 = 0.000000000 0.000000000 + x = 1.30170828 + 1.166666667 x = 1.30170828 + 1.166666667 Combine like terms: 1.30170828 + 1.166666667 = 2.468374947 x = 2.468374947 Simplifying x = 2.468374947

Subproblem 2

x + -1.166666667 = -1.30170828 Simplifying x + -1.166666667 = -1.30170828 Reorder the terms: -1.166666667 + x = -1.30170828 Solving -1.166666667 + x = -1.30170828 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '1.166666667' to each side of the equation. -1.166666667 + 1.166666667 + x = -1.30170828 + 1.166666667 Combine like terms: -1.166666667 + 1.166666667 = 0.000000000 0.000000000 + x = -1.30170828 + 1.166666667 x = -1.30170828 + 1.166666667 Combine like terms: -1.30170828 + 1.166666667 = -0.135041613 x = -0.135041613 Simplifying x = -0.135041613

Solution

The solution to the problem is based on the solutions from the subproblems. x = {2.468374947, -0.135041613}

Solution

x = {2.468374947, -0.135041613}

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