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Simplifying (3x2 + -7)(3x2 + 7) = 0 Reorder the terms: (-7 + 3x2)(3x2 + 7) = 0 Reorder the terms: (-7 + 3x2)(7 + 3x2) = 0 Multiply (-7 + 3x2) * (7 + 3x2) (-7(7 + 3x2) + 3x2 * (7 + 3x2)) = 0 ((7 * -7 + 3x2 * -7) + 3x2 * (7 + 3x2)) = 0 ((-49 + -21x2) + 3x2 * (7 + 3x2)) = 0 (-49 + -21x2 + (7 * 3x2 + 3x2 * 3x2)) = 0 (-49 + -21x2 + (21x2 + 9x4)) = 0 Combine like terms: -21x2 + 21x2 = 0 (-49 + 0 + 9x4) = 0 (-49 + 9x4) = 0 Solving -49 + 9x4 = 0 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '49' to each side of the equation. -49 + 49 + 9x4 = 0 + 49 Combine like terms: -49 + 49 = 0 0 + 9x4 = 0 + 49 9x4 = 0 + 49 Combine like terms: 0 + 49 = 49 9x4 = 49 Divide each side by '9'. x4 = 5.444444444 Simplifying x4 = 5.444444444 Reorder the terms: -5.444444444 + x4 = 5.444444444 + -5.444444444 Combine like terms: 5.444444444 + -5.444444444 = 0.000000000 -5.444444444 + x4 = 0.000000000 The solution to this equation could not be determined.
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