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Simplifying Rsquared + 4R + -21 = 0 Reorder the terms: -21 + 4R + adeqrsuR = 0 Solving -21 + 4R + adeqrsuR = 0 Solving for variable 'R'. Move all terms containing R to the left, all other terms to the right. Add '21' to each side of the equation. -21 + 4R + 21 + adeqrsuR = 0 + 21 Reorder the terms: -21 + 21 + 4R + adeqrsuR = 0 + 21 Combine like terms: -21 + 21 = 0 0 + 4R + adeqrsuR = 0 + 21 4R + adeqrsuR = 0 + 21 Combine like terms: 0 + 21 = 21 4R + adeqrsuR = 21 Reorder the terms: -21 + 4R + adeqrsuR = 21 + -21 Combine like terms: 21 + -21 = 0 -21 + 4R + adeqrsuR = 0 The solution to this equation could not be determined.
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