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Simplifying (9x2 + -16)(9x2 + 16) = 0 Reorder the terms: (-16 + 9x2)(9x2 + 16) = 0 Reorder the terms: (-16 + 9x2)(16 + 9x2) = 0 Multiply (-16 + 9x2) * (16 + 9x2) (-16(16 + 9x2) + 9x2 * (16 + 9x2)) = 0 ((16 * -16 + 9x2 * -16) + 9x2 * (16 + 9x2)) = 0 ((-256 + -144x2) + 9x2 * (16 + 9x2)) = 0 (-256 + -144x2 + (16 * 9x2 + 9x2 * 9x2)) = 0 (-256 + -144x2 + (144x2 + 81x4)) = 0 Combine like terms: -144x2 + 144x2 = 0 (-256 + 0 + 81x4) = 0 (-256 + 81x4) = 0 Solving -256 + 81x4 = 0 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '256' to each side of the equation. -256 + 256 + 81x4 = 0 + 256 Combine like terms: -256 + 256 = 0 0 + 81x4 = 0 + 256 81x4 = 0 + 256 Combine like terms: 0 + 256 = 256 81x4 = 256 Divide each side by '81'. x4 = 3.160493827 Simplifying x4 = 3.160493827 Reorder the terms: -3.160493827 + x4 = 3.160493827 + -3.160493827 Combine like terms: 3.160493827 + -3.160493827 = 0.000000000 -3.160493827 + x4 = 0.000000000 The solution to this equation could not be determined.
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