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Simplifying 7b2 + -12b = -10 Reorder the terms: -12b + 7b2 = -10 Solving -12b + 7b2 = -10 Solving for variable 'b'. Reorder the terms: 10 + -12b + 7b2 = -10 + 10 Combine like terms: -10 + 10 = 0 10 + -12b + 7b2 = 0 Begin completing the square. Divide all terms by 7 the coefficient of the squared term: Divide each side by '7'. 1.428571429 + -1.714285714b + b2 = 0 Move the constant term to the right: Add '-1.428571429' to each side of the equation. 1.428571429 + -1.714285714b + -1.428571429 + b2 = 0 + -1.428571429 Reorder the terms: 1.428571429 + -1.428571429 + -1.714285714b + b2 = 0 + -1.428571429 Combine like terms: 1.428571429 + -1.428571429 = 0.000000000 0.000000000 + -1.714285714b + b2 = 0 + -1.428571429 -1.714285714b + b2 = 0 + -1.428571429 Combine like terms: 0 + -1.428571429 = -1.428571429 -1.714285714b + b2 = -1.428571429 The b term is -1.714285714b. Take half its coefficient (-0.857142857). Square it (0.7346938773) and add it to both sides. Add '0.7346938773' to each side of the equation. -1.714285714b + 0.7346938773 + b2 = -1.428571429 + 0.7346938773 Reorder the terms: 0.7346938773 + -1.714285714b + b2 = -1.428571429 + 0.7346938773 Combine like terms: -1.428571429 + 0.7346938773 = -0.6938775517 0.7346938773 + -1.714285714b + b2 = -0.6938775517 Factor a perfect square on the left side: (b + -0.857142857)(b + -0.857142857) = -0.6938775517 Can't calculate square root of the right side. The solution to this equation could not be determined.
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