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Simplifying (X2 + -81)(7x + 4) = 0 Reorder the terms: (-81 + X2)(7x + 4) = 0 Reorder the terms: (-81 + X2)(4 + 7x) = 0 Multiply (-81 + X2) * (4 + 7x) (-81(4 + 7x) + X2(4 + 7x)) = 0 ((4 * -81 + 7x * -81) + X2(4 + 7x)) = 0 ((-324 + -567x) + X2(4 + 7x)) = 0 (-324 + -567x + (4 * X2 + 7x * X2)) = 0 (-324 + -567x + (4X2 + 7xX2)) = 0 Reorder the terms: (-324 + 4X2 + -567x + 7xX2) = 0 (-324 + 4X2 + -567x + 7xX2) = 0 Solving -324 + 4X2 + -567x + 7xX2 = 0 Solving for variable 'X'. Move all terms containing X to the left, all other terms to the right. Add '324' to each side of the equation. -324 + 4X2 + -567x + 324 + 7xX2 = 0 + 324 Reorder the terms: -324 + 324 + 4X2 + -567x + 7xX2 = 0 + 324 Combine like terms: -324 + 324 = 0 0 + 4X2 + -567x + 7xX2 = 0 + 324 4X2 + -567x + 7xX2 = 0 + 324 Combine like terms: 0 + 324 = 324 4X2 + -567x + 7xX2 = 324 Add '567x' to each side of the equation. 4X2 + -567x + 567x + 7xX2 = 324 + 567x Combine like terms: -567x + 567x = 0 4X2 + 0 + 7xX2 = 324 + 567x 4X2 + 7xX2 = 324 + 567x Reorder the terms: -324 + 4X2 + -567x + 7xX2 = 324 + 567x + -324 + -567x Reorder the terms: -324 + 4X2 + -567x + 7xX2 = 324 + -324 + 567x + -567x Combine like terms: 324 + -324 = 0 -324 + 4X2 + -567x + 7xX2 = 0 + 567x + -567x -324 + 4X2 + -567x + 7xX2 = 567x + -567x Combine like terms: 567x + -567x = 0 -324 + 4X2 + -567x + 7xX2 = 0 The solution to this equation could not be determined.
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