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Simplifying 5x(x + -10) = 22 Reorder the terms: 5x(-10 + x) = 22 (-10 * 5x + x * 5x) = 22 (-50x + 5x2) = 22 Solving -50x + 5x2 = 22 Solving for variable 'x'. Reorder the terms: -22 + -50x + 5x2 = 22 + -22 Combine like terms: 22 + -22 = 0 -22 + -50x + 5x2 = 0 Begin completing the square. Divide all terms by 5 the coefficient of the squared term: Divide each side by '5'. -4.4 + -10x + x2 = 0 Move the constant term to the right: Add '4.4' to each side of the equation. -4.4 + -10x + 4.4 + x2 = 0 + 4.4 Reorder the terms: -4.4 + 4.4 + -10x + x2 = 0 + 4.4 Combine like terms: -4.4 + 4.4 = 0.0 0.0 + -10x + x2 = 0 + 4.4 -10x + x2 = 0 + 4.4 Combine like terms: 0 + 4.4 = 4.4 -10x + x2 = 4.4 The x term is -10x. Take half its coefficient (-5). Square it (25) and add it to both sides. Add '25' to each side of the equation. -10x + 25 + x2 = 4.4 + 25 Reorder the terms: 25 + -10x + x2 = 4.4 + 25 Combine like terms: 4.4 + 25 = 29.4 25 + -10x + x2 = 29.4 Factor a perfect square on the left side: (x + -5)(x + -5) = 29.4 Calculate the square root of the right side: 5.422176685 Break this problem into two subproblems by setting (x + -5) equal to 5.422176685 and -5.422176685.Subproblem 1
x + -5 = 5.422176685 Simplifying x + -5 = 5.422176685 Reorder the terms: -5 + x = 5.422176685 Solving -5 + x = 5.422176685 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '5' to each side of the equation. -5 + 5 + x = 5.422176685 + 5 Combine like terms: -5 + 5 = 0 0 + x = 5.422176685 + 5 x = 5.422176685 + 5 Combine like terms: 5.422176685 + 5 = 10.422176685 x = 10.422176685 Simplifying x = 10.422176685Subproblem 2
x + -5 = -5.422176685 Simplifying x + -5 = -5.422176685 Reorder the terms: -5 + x = -5.422176685 Solving -5 + x = -5.422176685 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '5' to each side of the equation. -5 + 5 + x = -5.422176685 + 5 Combine like terms: -5 + 5 = 0 0 + x = -5.422176685 + 5 x = -5.422176685 + 5 Combine like terms: -5.422176685 + 5 = -0.422176685 x = -0.422176685 Simplifying x = -0.422176685Solution
The solution to the problem is based on the solutions from the subproblems. x = {10.422176685, -0.422176685}
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