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Simplifying x2 + -12x + -45 = -4 Reorder the terms: -45 + -12x + x2 = -4 Solving -45 + -12x + x2 = -4 Solving for variable 'x'. Reorder the terms: -45 + 4 + -12x + x2 = -4 + 4 Combine like terms: -45 + 4 = -41 -41 + -12x + x2 = -4 + 4 Combine like terms: -4 + 4 = 0 -41 + -12x + x2 = 0 Begin completing the square. Move the constant term to the right: Add '41' to each side of the equation. -41 + -12x + 41 + x2 = 0 + 41 Reorder the terms: -41 + 41 + -12x + x2 = 0 + 41 Combine like terms: -41 + 41 = 0 0 + -12x + x2 = 0 + 41 -12x + x2 = 0 + 41 Combine like terms: 0 + 41 = 41 -12x + x2 = 41 The x term is -12x. Take half its coefficient (-6). Square it (36) and add it to both sides. Add '36' to each side of the equation. -12x + 36 + x2 = 41 + 36 Reorder the terms: 36 + -12x + x2 = 41 + 36 Combine like terms: 41 + 36 = 77 36 + -12x + x2 = 77 Factor a perfect square on the left side: (x + -6)(x + -6) = 77 Calculate the square root of the right side: 8.774964387 Break this problem into two subproblems by setting (x + -6) equal to 8.774964387 and -8.774964387.Subproblem 1
x + -6 = 8.774964387 Simplifying x + -6 = 8.774964387 Reorder the terms: -6 + x = 8.774964387 Solving -6 + x = 8.774964387 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '6' to each side of the equation. -6 + 6 + x = 8.774964387 + 6 Combine like terms: -6 + 6 = 0 0 + x = 8.774964387 + 6 x = 8.774964387 + 6 Combine like terms: 8.774964387 + 6 = 14.774964387 x = 14.774964387 Simplifying x = 14.774964387Subproblem 2
x + -6 = -8.774964387 Simplifying x + -6 = -8.774964387 Reorder the terms: -6 + x = -8.774964387 Solving -6 + x = -8.774964387 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '6' to each side of the equation. -6 + 6 + x = -8.774964387 + 6 Combine like terms: -6 + 6 = 0 0 + x = -8.774964387 + 6 x = -8.774964387 + 6 Combine like terms: -8.774964387 + 6 = -2.774964387 x = -2.774964387 Simplifying x = -2.774964387Solution
The solution to the problem is based on the solutions from the subproblems. x = {14.774964387, -2.774964387}
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