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Simplifying f(b) = b2 + 13b + 40 Multiply f * b bf = b2 + 13b + 40 Reorder the terms: bf = 40 + 13b + b2 Solving bf = 40 + 13b + b2 Solving for variable 'b'. Reorder the terms: -40 + -13b + bf + -1b2 = 40 + 13b + b2 + -40 + -13b + -1b2 Reorder the terms: -40 + -13b + bf + -1b2 = 40 + -40 + 13b + -13b + b2 + -1b2 Combine like terms: 40 + -40 = 0 -40 + -13b + bf + -1b2 = 0 + 13b + -13b + b2 + -1b2 -40 + -13b + bf + -1b2 = 13b + -13b + b2 + -1b2 Combine like terms: 13b + -13b = 0 -40 + -13b + bf + -1b2 = 0 + b2 + -1b2 -40 + -13b + bf + -1b2 = b2 + -1b2 Combine like terms: b2 + -1b2 = 0 -40 + -13b + bf + -1b2 = 0 The solution to this equation could not be determined.
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