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Simplifying 49r2 + -16 = 0 Reorder the terms: -16 + 49r2 = 0 Solving -16 + 49r2 = 0 Solving for variable 'r'. Move all terms containing r to the left, all other terms to the right. Add '16' to each side of the equation. -16 + 16 + 49r2 = 0 + 16 Combine like terms: -16 + 16 = 0 0 + 49r2 = 0 + 16 49r2 = 0 + 16 Combine like terms: 0 + 16 = 16 49r2 = 16 Divide each side by '49'. r2 = 0.3265306122 Simplifying r2 = 0.3265306122 Take the square root of each side: r = {-0.571428571, 0.571428571}
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