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Simplifying 7a2 + -63 + 140 = 0 Reorder the terms: -63 + 140 + 7a2 = 0 Combine like terms: -63 + 140 = 77 77 + 7a2 = 0 Solving 77 + 7a2 = 0 Solving for variable 'a'. Move all terms containing a to the left, all other terms to the right. Add '-77' to each side of the equation. 77 + -77 + 7a2 = 0 + -77 Combine like terms: 77 + -77 = 0 0 + 7a2 = 0 + -77 7a2 = 0 + -77 Combine like terms: 0 + -77 = -77 7a2 = -77 Divide each side by '7'. a2 = -11 Simplifying a2 = -11 Reorder the terms: 11 + a2 = -11 + 11 Combine like terms: -11 + 11 = 0 11 + a2 = 0 The solution to this equation could not be determined.
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