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Simplifying 15r2 + -26rs + 8s2 = 15r2 + 6rs + 20rs + 8s2 Reorder the terms: -26rs + 15r2 + 8s2 = 15r2 + 6rs + 20rs + 8s2 Reorder the terms: -26rs + 15r2 + 8s2 = 6rs + 20rs + 15r2 + 8s2 Combine like terms: 6rs + 20rs = 26rs -26rs + 15r2 + 8s2 = 26rs + 15r2 + 8s2 Add '-15r2' to each side of the equation. -26rs + 15r2 + -15r2 + 8s2 = 26rs + 15r2 + -15r2 + 8s2 Combine like terms: 15r2 + -15r2 = 0 -26rs + 0 + 8s2 = 26rs + 15r2 + -15r2 + 8s2 -26rs + 8s2 = 26rs + 15r2 + -15r2 + 8s2 Combine like terms: 15r2 + -15r2 = 0 -26rs + 8s2 = 26rs + 0 + 8s2 -26rs + 8s2 = 26rs + 8s2 Add '-8s2' to each side of the equation. -26rs + 8s2 + -8s2 = 26rs + 8s2 + -8s2 Combine like terms: 8s2 + -8s2 = 0 -26rs + 0 = 26rs + 8s2 + -8s2 -26rs = 26rs + 8s2 + -8s2 Combine like terms: 8s2 + -8s2 = 0 -26rs = 26rs + 0 -26rs = 26rs Solving -26rs = 26rs Solving for variable 'r'. Move all terms containing r to the left, all other terms to the right. Add '-26rs' to each side of the equation. -26rs + -26rs = 26rs + -26rs Combine like terms: -26rs + -26rs = -52rs -52rs = 26rs + -26rs Combine like terms: 26rs + -26rs = 0 -52rs = 0 Divide each side by '-52'. rs = 0 Simplifying rs = 0 The solution to this equation could not be determined.
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