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Simplifying (5b2 + 7a2)(-5b2 + 7a2) = 0 Reorder the terms: (7a2 + 5b2)(-5b2 + 7a2) = 0 Reorder the terms: (7a2 + 5b2)(7a2 + -5b2) = 0 Multiply (7a2 + 5b2) * (7a2 + -5b2) (7a2 * (7a2 + -5b2) + 5b2 * (7a2 + -5b2)) = 0 ((7a2 * 7a2 + -5b2 * 7a2) + 5b2 * (7a2 + -5b2)) = 0 Reorder the terms: ((-35a2b2 + 49a4) + 5b2 * (7a2 + -5b2)) = 0 ((-35a2b2 + 49a4) + 5b2 * (7a2 + -5b2)) = 0 (-35a2b2 + 49a4 + (7a2 * 5b2 + -5b2 * 5b2)) = 0 (-35a2b2 + 49a4 + (35a2b2 + -25b4)) = 0 Reorder the terms: (-35a2b2 + 35a2b2 + 49a4 + -25b4) = 0 Combine like terms: -35a2b2 + 35a2b2 = 0 (0 + 49a4 + -25b4) = 0 (49a4 + -25b4) = 0 Solving 49a4 + -25b4 = 0 Solving for variable 'a'. Move all terms containing a to the left, all other terms to the right. Add '25b4' to each side of the equation. 49a4 + -25b4 + 25b4 = 0 + 25b4 Combine like terms: -25b4 + 25b4 = 0 49a4 + 0 = 0 + 25b4 49a4 = 0 + 25b4 Remove the zero: 49a4 = 25b4 Divide each side by '49'. a4 = 0.5102040816b4 Simplifying a4 = 0.5102040816b4 Combine like terms: 0.5102040816b4 + -0.5102040816b4 = 0.0000000000 a4 + -0.5102040816b4 = 0.0000000000 The solution to this equation could not be determined.
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