(5x+3)(5x-3)(25x^2+9)=

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Solution for (5x+3)(5x-3)(25x^2+9)= equation:


Simplifying
(5x + 3)(5x + -3)(25x2 + 9) = 0

Reorder the terms:
(3 + 5x)(5x + -3)(25x2 + 9) = 0

Reorder the terms:
(3 + 5x)(-3 + 5x)(25x2 + 9) = 0

Reorder the terms:
(3 + 5x)(-3 + 5x)(9 + 25x2) = 0

Multiply (3 + 5x) * (-3 + 5x)
(3(-3 + 5x) + 5x * (-3 + 5x))(9 + 25x2) = 0
((-3 * 3 + 5x * 3) + 5x * (-3 + 5x))(9 + 25x2) = 0
((-9 + 15x) + 5x * (-3 + 5x))(9 + 25x2) = 0
(-9 + 15x + (-3 * 5x + 5x * 5x))(9 + 25x2) = 0
(-9 + 15x + (-15x + 25x2))(9 + 25x2) = 0

Combine like terms: 15x + -15x = 0
(-9 + 0 + 25x2)(9 + 25x2) = 0
(-9 + 25x2)(9 + 25x2) = 0

Multiply (-9 + 25x2) * (9 + 25x2)
(-9(9 + 25x2) + 25x2 * (9 + 25x2)) = 0
((9 * -9 + 25x2 * -9) + 25x2 * (9 + 25x2)) = 0
((-81 + -225x2) + 25x2 * (9 + 25x2)) = 0
(-81 + -225x2 + (9 * 25x2 + 25x2 * 25x2)) = 0
(-81 + -225x2 + (225x2 + 625x4)) = 0

Combine like terms: -225x2 + 225x2 = 0
(-81 + 0 + 625x4) = 0
(-81 + 625x4) = 0

Solving
-81 + 625x4 = 0

Solving for variable 'x'.

Move all terms containing x to the left, all other terms to the right.

Add '81' to each side of the equation.
-81 + 81 + 625x4 = 0 + 81

Combine like terms: -81 + 81 = 0
0 + 625x4 = 0 + 81
625x4 = 0 + 81

Combine like terms: 0 + 81 = 81
625x4 = 81

Divide each side by '625'.
x4 = 0.1296

Simplifying
x4 = 0.1296

Reorder the terms:
-0.1296 + x4 = 0.1296 + -0.1296

Combine like terms: 0.1296 + -0.1296 = 0.0000
-0.1296 + x4 = 0.0000

Factor a difference between two squares.
(0.36 + x2)(-0.36 + x2) = 0.0000

Factor a difference between two squares.
(0.36 + x2)((0.6 + x)(-0.6 + x)) = 0.0000

Subproblem 1

Set the factor '(0.36 + x2)' equal to zero and attempt to solve: Simplifying 0.36 + x2 = 0 Solving 0.36 + x2 = 0 Move all terms containing x to the left, all other terms to the right. Add '-0.36' to each side of the equation. 0.36 + -0.36 + x2 = 0 + -0.36 Combine like terms: 0.36 + -0.36 = 0.00 0.00 + x2 = 0 + -0.36 x2 = 0 + -0.36 Combine like terms: 0 + -0.36 = -0.36 x2 = -0.36 Simplifying x2 = -0.36 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 '(0.6 + x)' equal to zero and attempt to solve: Simplifying 0.6 + x = 0 Solving 0.6 + x = 0 Move all terms containing x to the left, all other terms to the right. Add '-0.6' to each side of the equation. 0.6 + -0.6 + x = 0 + -0.6 Combine like terms: 0.6 + -0.6 = 0.0 0.0 + x = 0 + -0.6 x = 0 + -0.6 Combine like terms: 0 + -0.6 = -0.6 x = -0.6 Simplifying x = -0.6

Subproblem 3

Set the factor '(-0.6 + x)' equal to zero and attempt to solve: Simplifying -0.6 + x = 0 Solving -0.6 + x = 0 Move all terms containing x to the left, all other terms to the right. Add '0.6' to each side of the equation. -0.6 + 0.6 + x = 0 + 0.6 Combine like terms: -0.6 + 0.6 = 0.0 0.0 + x = 0 + 0.6 x = 0 + 0.6 Combine like terms: 0 + 0.6 = 0.6 x = 0.6 Simplifying x = 0.6

Solution

x = {-0.6, 0.6}

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