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Simplifying x4 + 9X2 + -400 = 0 Reorder the terms: -400 + 9X2 + x4 = 0 Solving -400 + 9X2 + x4 = 0 Solving for variable 'X'. Move all terms containing X to the left, all other terms to the right. Add '400' to each side of the equation. -400 + 9X2 + 400 + x4 = 0 + 400 Reorder the terms: -400 + 400 + 9X2 + x4 = 0 + 400 Combine like terms: -400 + 400 = 0 0 + 9X2 + x4 = 0 + 400 9X2 + x4 = 0 + 400 Combine like terms: 0 + 400 = 400 9X2 + x4 = 400 Add '-1x4' to each side of the equation. 9X2 + x4 + -1x4 = 400 + -1x4 Combine like terms: x4 + -1x4 = 0 9X2 + 0 = 400 + -1x4 9X2 = 400 + -1x4 Divide each side by '9'. X2 = 44.44444444 + -0.1111111111x4 Simplifying X2 = 44.44444444 + -0.1111111111x4 Reorder the terms: -44.44444444 + X2 + 0.1111111111x4 = 44.44444444 + -0.1111111111x4 + -44.44444444 + 0.1111111111x4 Reorder the terms: -44.44444444 + X2 + 0.1111111111x4 = 44.44444444 + -44.44444444 + -0.1111111111x4 + 0.1111111111x4 Combine like terms: 44.44444444 + -44.44444444 = 0.00000000 -44.44444444 + X2 + 0.1111111111x4 = 0.00000000 + -0.1111111111x4 + 0.1111111111x4 -44.44444444 + X2 + 0.1111111111x4 = -0.1111111111x4 + 0.1111111111x4 Combine like terms: -0.1111111111x4 + 0.1111111111x4 = 0.0000000000 -44.44444444 + X2 + 0.1111111111x4 = 0.0000000000 The solution to this equation could not be determined.
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