7x^4=252x^2

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Solution for 7x^4=252x^2 equation:


Simplifying
7x4 = 252x2

Solving
7x4 = 252x2

Solving for variable 'x'.

Reorder the terms:
-252x2 + 7x4 = 252x2 + -252x2

Combine like terms: 252x2 + -252x2 = 0
-252x2 + 7x4 = 0

Factor out the Greatest Common Factor (GCF), '7x2'.
7x2(-36 + x2) = 0

Factor a difference between two squares.
7x2((6 + x)(-6 + x)) = 0

Ignore the factor 7.

Subproblem 1

Set the factor 'x2' equal to zero and attempt to solve: Simplifying x2 = 0 Solving x2 = 0 Move all terms containing x to the left, all other terms to the right. Simplifying x2 = 0 Take the square root of each side: x = {0}

Subproblem 2

Set the factor '(6 + x)' equal to zero and attempt to solve: Simplifying 6 + x = 0 Solving 6 + x = 0 Move all terms containing x to the left, all other terms to the right. Add '-6' to each side of the equation. 6 + -6 + x = 0 + -6 Combine like terms: 6 + -6 = 0 0 + x = 0 + -6 x = 0 + -6 Combine like terms: 0 + -6 = -6 x = -6 Simplifying x = -6

Subproblem 3

Set the factor '(-6 + x)' equal to zero and attempt to solve: Simplifying -6 + x = 0 Solving -6 + x = 0 Move all terms containing x to the left, all other terms to the right. Add '6' to each side of the equation. -6 + 6 + x = 0 + 6 Combine like terms: -6 + 6 = 0 0 + x = 0 + 6 x = 0 + 6 Combine like terms: 0 + 6 = 6 x = 6 Simplifying x = 6

Solution

x = {0, -6, 6}

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