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Simplifying x + 10 = 3(x + -1)(x + -1) Reorder the terms: 10 + x = 3(x + -1)(x + -1) Reorder the terms: 10 + x = 3(-1 + x)(x + -1) Reorder the terms: 10 + x = 3(-1 + x)(-1 + x) Multiply (-1 + x) * (-1 + x) 10 + x = 3(-1(-1 + x) + x(-1 + x)) 10 + x = 3((-1 * -1 + x * -1) + x(-1 + x)) 10 + x = 3((1 + -1x) + x(-1 + x)) 10 + x = 3(1 + -1x + (-1 * x + x * x)) 10 + x = 3(1 + -1x + (-1x + x2)) Combine like terms: -1x + -1x = -2x 10 + x = 3(1 + -2x + x2) 10 + x = (1 * 3 + -2x * 3 + x2 * 3) 10 + x = (3 + -6x + 3x2) Solving 10 + x = 3 + -6x + 3x2 Solving for variable 'x'. Reorder the terms: 10 + -3 + x + 6x + -3x2 = 3 + -6x + 3x2 + -3 + 6x + -3x2 Combine like terms: 10 + -3 = 7 7 + x + 6x + -3x2 = 3 + -6x + 3x2 + -3 + 6x + -3x2 Combine like terms: x + 6x = 7x 7 + 7x + -3x2 = 3 + -6x + 3x2 + -3 + 6x + -3x2 Reorder the terms: 7 + 7x + -3x2 = 3 + -3 + -6x + 6x + 3x2 + -3x2 Combine like terms: 3 + -3 = 0 7 + 7x + -3x2 = 0 + -6x + 6x + 3x2 + -3x2 7 + 7x + -3x2 = -6x + 6x + 3x2 + -3x2 Combine like terms: -6x + 6x = 0 7 + 7x + -3x2 = 0 + 3x2 + -3x2 7 + 7x + -3x2 = 3x2 + -3x2 Combine like terms: 3x2 + -3x2 = 0 7 + 7x + -3x2 = 0 Begin completing the square. Divide all terms by -3 the coefficient of the squared term: Divide each side by '-3'. -2.333333333 + -2.333333333x + x2 = 0 Move the constant term to the right: Add '2.333333333' to each side of the equation. -2.333333333 + -2.333333333x + 2.333333333 + x2 = 0 + 2.333333333 Reorder the terms: -2.333333333 + 2.333333333 + -2.333333333x + x2 = 0 + 2.333333333 Combine like terms: -2.333333333 + 2.333333333 = 0.000000000 0.000000000 + -2.333333333x + x2 = 0 + 2.333333333 -2.333333333x + x2 = 0 + 2.333333333 Combine like terms: 0 + 2.333333333 = 2.333333333 -2.333333333x + x2 = 2.333333333 The x term is -2.333333333x. Take half its coefficient (-1.166666667). Square it (1.361111112) and add it to both sides. Add '1.361111112' to each side of the equation. -2.333333333x + 1.361111112 + x2 = 2.333333333 + 1.361111112 Reorder the terms: 1.361111112 + -2.333333333x + x2 = 2.333333333 + 1.361111112 Combine like terms: 2.333333333 + 1.361111112 = 3.694444445 1.361111112 + -2.333333333x + x2 = 3.694444445 Factor a perfect square on the left side: (x + -1.166666667)(x + -1.166666667) = 3.694444445 Calculate the square root of the right side: 1.922093766 Break this problem into two subproblems by setting (x + -1.166666667) equal to 1.922093766 and -1.922093766.Subproblem 1
x + -1.166666667 = 1.922093766 Simplifying x + -1.166666667 = 1.922093766 Reorder the terms: -1.166666667 + x = 1.922093766 Solving -1.166666667 + x = 1.922093766 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '1.166666667' to each side of the equation. -1.166666667 + 1.166666667 + x = 1.922093766 + 1.166666667 Combine like terms: -1.166666667 + 1.166666667 = 0.000000000 0.000000000 + x = 1.922093766 + 1.166666667 x = 1.922093766 + 1.166666667 Combine like terms: 1.922093766 + 1.166666667 = 3.088760433 x = 3.088760433 Simplifying x = 3.088760433Subproblem 2
x + -1.166666667 = -1.922093766 Simplifying x + -1.166666667 = -1.922093766 Reorder the terms: -1.166666667 + x = -1.922093766 Solving -1.166666667 + x = -1.922093766 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '1.166666667' to each side of the equation. -1.166666667 + 1.166666667 + x = -1.922093766 + 1.166666667 Combine like terms: -1.166666667 + 1.166666667 = 0.000000000 0.000000000 + x = -1.922093766 + 1.166666667 x = -1.922093766 + 1.166666667 Combine like terms: -1.922093766 + 1.166666667 = -0.755427099 x = -0.755427099 Simplifying x = -0.755427099Solution
The solution to the problem is based on the solutions from the subproblems. x = {3.088760433, -0.755427099}
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