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Simplifying F(x) = 4cos2x + -1 Multiply F * x xF = 4cos2x + -1 Reorder the terms: xF = -1 + 4cos2x Solving xF = -1 + 4cos2x Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-4cos2x' to each side of the equation. -4cos2x + xF = -1 + 4cos2x + -4cos2x Combine like terms: 4cos2x + -4cos2x = 0 -4cos2x + xF = -1 + 0 -4cos2x + xF = -1 Reorder the terms: 1 + -4cos2x + xF = -1 + 1 Combine like terms: -1 + 1 = 0 1 + -4cos2x + xF = 0 The solution to this equation could not be determined.
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