r^4+64r^2+63=

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Solution for r^4+64r^2+63= equation:


Simplifying
r4 + 64r2 + 63 = 0

Reorder the terms:
63 + 64r2 + r4 = 0

Solving
63 + 64r2 + r4 = 0

Solving for variable 'r'.

Factor a trinomial.
(63 + r2)(1 + r2) = 0

Subproblem 1

Set the factor '(63 + r2)' equal to zero and attempt to solve: Simplifying 63 + r2 = 0 Solving 63 + r2 = 0 Move all terms containing r to the left, all other terms to the right. Add '-63' to each side of the equation. 63 + -63 + r2 = 0 + -63 Combine like terms: 63 + -63 = 0 0 + r2 = 0 + -63 r2 = 0 + -63 Combine like terms: 0 + -63 = -63 r2 = -63 Simplifying r2 = -63 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 + r2)' equal to zero and attempt to solve: Simplifying 1 + r2 = 0 Solving 1 + r2 = 0 Move all terms containing r to the left, all other terms to the right. Add '-1' to each side of the equation. 1 + -1 + r2 = 0 + -1 Combine like terms: 1 + -1 = 0 0 + r2 = 0 + -1 r2 = 0 + -1 Combine like terms: 0 + -1 = -1 r2 = -1 Simplifying r2 = -1 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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