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Simplifying 32 + 4c(c + -1) = (4c + 5) Reorder the terms: 32 + 4c(-1 + c) = (4c + 5) 32 + (-1 * 4c + c * 4c) = (4c + 5) 32 + (-4c + 4c2) = (4c + 5) Reorder the terms: 32 + -4c + 4c2 = (5 + 4c) Remove parenthesis around (5 + 4c) 32 + -4c + 4c2 = 5 + 4c Solving 32 + -4c + 4c2 = 5 + 4c Solving for variable 'c'. Reorder the terms: 32 + -5 + -4c + -4c + 4c2 = 5 + 4c + -5 + -4c Combine like terms: 32 + -5 = 27 27 + -4c + -4c + 4c2 = 5 + 4c + -5 + -4c Combine like terms: -4c + -4c = -8c 27 + -8c + 4c2 = 5 + 4c + -5 + -4c Reorder the terms: 27 + -8c + 4c2 = 5 + -5 + 4c + -4c Combine like terms: 5 + -5 = 0 27 + -8c + 4c2 = 0 + 4c + -4c 27 + -8c + 4c2 = 4c + -4c Combine like terms: 4c + -4c = 0 27 + -8c + 4c2 = 0 Begin completing the square. Divide all terms by 4 the coefficient of the squared term: Divide each side by '4'. 6.75 + -2c + c2 = 0 Move the constant term to the right: Add '-6.75' to each side of the equation. 6.75 + -2c + -6.75 + c2 = 0 + -6.75 Reorder the terms: 6.75 + -6.75 + -2c + c2 = 0 + -6.75 Combine like terms: 6.75 + -6.75 = 0.00 0.00 + -2c + c2 = 0 + -6.75 -2c + c2 = 0 + -6.75 Combine like terms: 0 + -6.75 = -6.75 -2c + c2 = -6.75 The c term is -2c. Take half its coefficient (-1). Square it (1) and add it to both sides. Add '1' to each side of the equation. -2c + 1 + c2 = -6.75 + 1 Reorder the terms: 1 + -2c + c2 = -6.75 + 1 Combine like terms: -6.75 + 1 = -5.75 1 + -2c + c2 = -5.75 Factor a perfect square on the left side: (c + -1)(c + -1) = -5.75 Can't calculate square root of the right side. The solution to this equation could not be determined.
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