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Simplifying 9x4 + -47x2 + 10 = 0 Reorder the terms: 10 + -47x2 + 9x4 = 0 Solving 10 + -47x2 + 9x4 = 0 Solving for variable 'x'. Factor a trinomial. (2 + -9x2)(5 + -1x2) = 0Subproblem 1
Set the factor '(2 + -9x2)' equal to zero and attempt to solve: Simplifying 2 + -9x2 = 0 Solving 2 + -9x2 = 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 + -9x2 = 0 + -2 Combine like terms: 2 + -2 = 0 0 + -9x2 = 0 + -2 -9x2 = 0 + -2 Combine like terms: 0 + -2 = -2 -9x2 = -2 Divide each side by '-9'. x2 = 0.2222222222 Simplifying x2 = 0.2222222222 Take the square root of each side: x = {-0.471404521, 0.471404521}Subproblem 2
Set the factor '(5 + -1x2)' equal to zero and attempt to solve: Simplifying 5 + -1x2 = 0 Solving 5 + -1x2 = 0 Move all terms containing x to the left, all other terms to the right. Add '-5' to each side of the equation. 5 + -5 + -1x2 = 0 + -5 Combine like terms: 5 + -5 = 0 0 + -1x2 = 0 + -5 -1x2 = 0 + -5 Combine like terms: 0 + -5 = -5 -1x2 = -5 Divide each side by '-1'. x2 = 5 Simplifying x2 = 5 Take the square root of each side: x = {-2.236067978, 2.236067978}Solution
x = {-0.471404521, 0.471404521, -2.236067978, 2.236067978}
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