(4x^2-1)(x^2+2)=

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


Simplifying
(4x2 + -1)(x2 + 2) = 0

Reorder the terms:
(-1 + 4x2)(x2 + 2) = 0

Reorder the terms:
(-1 + 4x2)(2 + x2) = 0

Multiply (-1 + 4x2) * (2 + x2)
(-1(2 + x2) + 4x2 * (2 + x2)) = 0
((2 * -1 + x2 * -1) + 4x2 * (2 + x2)) = 0
((-2 + -1x2) + 4x2 * (2 + x2)) = 0
(-2 + -1x2 + (2 * 4x2 + x2 * 4x2)) = 0
(-2 + -1x2 + (8x2 + 4x4)) = 0

Combine like terms: -1x2 + 8x2 = 7x2
(-2 + 7x2 + 4x4) = 0

Solving
-2 + 7x2 + 4x4 = 0

Solving for variable 'x'.

Factor a trinomial.
(-2 + -1x2)(1 + -4x2) = 0

Factor a difference between two squares.
(-2 + -1x2)((1 + 2x)(1 + -2x)) = 0

Subproblem 1

Set the factor '(-2 + -1x2)' equal to zero and attempt to solve: Simplifying -2 + -1x2 = 0 Solving -2 + -1x2 = 0 Move all terms containing x to the left, all other terms to the right. Add '2' to each side of the equation. -2 + 2 + -1x2 = 0 + 2 Combine like terms: -2 + 2 = 0 0 + -1x2 = 0 + 2 -1x2 = 0 + 2 Combine like terms: 0 + 2 = 2 -1x2 = 2 Divide each side by '-1'. x2 = -2 Simplifying x2 = -2 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 + 2x)' equal to zero and attempt to solve: Simplifying 1 + 2x = 0 Solving 1 + 2x = 0 Move all terms containing x to the left, all other terms to the right. Add '-1' to each side of the equation. 1 + -1 + 2x = 0 + -1 Combine like terms: 1 + -1 = 0 0 + 2x = 0 + -1 2x = 0 + -1 Combine like terms: 0 + -1 = -1 2x = -1 Divide each side by '2'. x = -0.5 Simplifying x = -0.5

Subproblem 3

Set the factor '(1 + -2x)' equal to zero and attempt to solve: Simplifying 1 + -2x = 0 Solving 1 + -2x = 0 Move all terms containing x to the left, all other terms to the right. Add '-1' to each side of the equation. 1 + -1 + -2x = 0 + -1 Combine like terms: 1 + -1 = 0 0 + -2x = 0 + -1 -2x = 0 + -1 Combine like terms: 0 + -1 = -1 -2x = -1 Divide each side by '-2'. x = 0.5 Simplifying x = 0.5

Solution

x = {-0.5, 0.5}

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