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Simplifying -2x(9x * 2 + -3x) + -5 = 90 Reorder the terms for easier multiplication: -2x(9 * 2x + -3x) + -5 = 90 Multiply 9 * 2 -2x(18x + -3x) + -5 = 90 Combine like terms: 18x + -3x = 15x -2x(15x) + -5 = 90 Remove parenthesis around (15x) -2x * 15x + -5 = 90 Reorder the terms for easier multiplication: -2 * 15x * x + -5 = 90 Multiply -2 * 15 -30x * x + -5 = 90 Multiply x * x -30x2 + -5 = 90 Reorder the terms: -5 + -30x2 = 90 Solving -5 + -30x2 = 90 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 + -30x2 = 90 + 5 Combine like terms: -5 + 5 = 0 0 + -30x2 = 90 + 5 -30x2 = 90 + 5 Combine like terms: 90 + 5 = 95 -30x2 = 95 Divide each side by '-30'. x2 = -3.166666667 Simplifying x2 = -3.166666667 Reorder the terms: 3.166666667 + x2 = -3.166666667 + 3.166666667 Combine like terms: -3.166666667 + 3.166666667 = 0.000000000 3.166666667 + x2 = 0.000000000 The solution to this equation could not be determined.
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