(8x^7+4)(8x^7-4)=

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Solution for (8x^7+4)(8x^7-4)= equation:


Simplifying
(8x7 + 4)(8x7 + -4) = 0

Reorder the terms:
(4 + 8x7)(8x7 + -4) = 0

Reorder the terms:
(4 + 8x7)(-4 + 8x7) = 0

Multiply (4 + 8x7) * (-4 + 8x7)
(4(-4 + 8x7) + 8x7 * (-4 + 8x7)) = 0
((-4 * 4 + 8x7 * 4) + 8x7 * (-4 + 8x7)) = 0
((-16 + 32x7) + 8x7 * (-4 + 8x7)) = 0
(-16 + 32x7 + (-4 * 8x7 + 8x7 * 8x7)) = 0
(-16 + 32x7 + (-32x7 + 64x14)) = 0

Combine like terms: 32x7 + -32x7 = 0
(-16 + 0 + 64x14) = 0
(-16 + 64x14) = 0

Solving
-16 + 64x14 = 0

Solving for variable 'x'.

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

Add '16' to each side of the equation.
-16 + 16 + 64x14 = 0 + 16

Combine like terms: -16 + 16 = 0
0 + 64x14 = 0 + 16
64x14 = 0 + 16

Combine like terms: 0 + 16 = 16
64x14 = 16

Divide each side by '64'.
x14 = 0.25

Simplifying
x14 = 0.25

Reorder the terms:
-0.25 + x14 = 0.25 + -0.25

Combine like terms: 0.25 + -0.25 = 0.00
-0.25 + x14 = 0.00

Factor a difference between two squares.
(0.5 + x7)(-0.5 + x7) = 0.00

Subproblem 1

Set the factor '(0.5 + x7)' equal to zero and attempt to solve: Simplifying 0.5 + x7 = 0 Solving 0.5 + x7 = 0 Move all terms containing x to the left, all other terms to the right. Add '-0.5' to each side of the equation. 0.5 + -0.5 + x7 = 0 + -0.5 Combine like terms: 0.5 + -0.5 = 0.0 0.0 + x7 = 0 + -0.5 x7 = 0 + -0.5 Combine like terms: 0 + -0.5 = -0.5 x7 = -0.5 Simplifying x7 = -0.5 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 '(-0.5 + x7)' equal to zero and attempt to solve: Simplifying -0.5 + x7 = 0 Solving -0.5 + x7 = 0 Move all terms containing x to the left, all other terms to the right. Add '0.5' to each side of the equation. -0.5 + 0.5 + x7 = 0 + 0.5 Combine like terms: -0.5 + 0.5 = 0.0 0.0 + x7 = 0 + 0.5 x7 = 0 + 0.5 Combine like terms: 0 + 0.5 = 0.5 x7 = 0.5 Simplifying x7 = 0.5 The solution to this equation could not be determined. This subproblem is being ignored because a solution could not be determined. The solution to this equation could not be determined.

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