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Simplifying (3a2 + -7xy)(3a2 + 7xy) = 0 Multiply (3a2 + -7xy) * (3a2 + 7xy) (3a2 * (3a2 + 7xy) + -7xy * (3a2 + 7xy)) = 0 ((3a2 * 3a2 + 7xy * 3a2) + -7xy * (3a2 + 7xy)) = 0 Reorder the terms: ((21a2xy + 9a4) + -7xy * (3a2 + 7xy)) = 0 ((21a2xy + 9a4) + -7xy * (3a2 + 7xy)) = 0 (21a2xy + 9a4 + (3a2 * -7xy + 7xy * -7xy)) = 0 (21a2xy + 9a4 + (-21a2xy + -49x2y2)) = 0 Reorder the terms: (21a2xy + -21a2xy + 9a4 + -49x2y2) = 0 Combine like terms: 21a2xy + -21a2xy = 0 (0 + 9a4 + -49x2y2) = 0 (9a4 + -49x2y2) = 0 Solving 9a4 + -49x2y2 = 0 Solving for variable 'a'. Move all terms containing a to the left, all other terms to the right. Add '49x2y2' to each side of the equation. 9a4 + -49x2y2 + 49x2y2 = 0 + 49x2y2 Combine like terms: -49x2y2 + 49x2y2 = 0 9a4 + 0 = 0 + 49x2y2 9a4 = 0 + 49x2y2 Remove the zero: 9a4 = 49x2y2 Divide each side by '9'. a4 = 5.444444444x2y2 Simplifying a4 = 5.444444444x2y2 Combine like terms: 5.444444444x2y2 + -5.444444444x2y2 = 0.000000000 a4 + -5.444444444x2y2 = 0.000000000 The solution to this equation could not be determined.
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