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Simplifying x2 + 14r + 45 = 0 Reorder the terms: 45 + 14r + x2 = 0 Solving 45 + 14r + x2 = 0 Solving for variable 'r'. Move all terms containing r to the left, all other terms to the right. Add '-45' to each side of the equation. 45 + 14r + -45 + x2 = 0 + -45 Reorder the terms: 45 + -45 + 14r + x2 = 0 + -45 Combine like terms: 45 + -45 = 0 0 + 14r + x2 = 0 + -45 14r + x2 = 0 + -45 Combine like terms: 0 + -45 = -45 14r + x2 = -45 Add '-1x2' to each side of the equation. 14r + x2 + -1x2 = -45 + -1x2 Combine like terms: x2 + -1x2 = 0 14r + 0 = -45 + -1x2 14r = -45 + -1x2 Divide each side by '14'. r = -3.214285714 + -0.07142857143x2 Simplifying r = -3.214285714 + -0.07142857143x2
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