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Simplifying a2 + -4b + 9 = 0 Reorder the terms: 9 + a2 + -4b = 0 Solving 9 + a2 + -4b = 0 Solving for variable 'a'. Move all terms containing a to the left, all other terms to the right. Add '-9' to each side of the equation. 9 + a2 + -9 + -4b = 0 + -9 Reorder the terms: 9 + -9 + a2 + -4b = 0 + -9 Combine like terms: 9 + -9 = 0 0 + a2 + -4b = 0 + -9 a2 + -4b = 0 + -9 Combine like terms: 0 + -9 = -9 a2 + -4b = -9 Add '4b' to each side of the equation. a2 + -4b + 4b = -9 + 4b Combine like terms: -4b + 4b = 0 a2 + 0 = -9 + 4b a2 = -9 + 4b Simplifying a2 = -9 + 4b Reorder the terms: 9 + a2 + -4b = -9 + 4b + 9 + -4b Reorder the terms: 9 + a2 + -4b = -9 + 9 + 4b + -4b Combine like terms: -9 + 9 = 0 9 + a2 + -4b = 0 + 4b + -4b 9 + a2 + -4b = 4b + -4b Combine like terms: 4b + -4b = 0 9 + a2 + -4b = 0 The solution to this equation could not be determined.
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