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Simplifying 9(3x)(x) + -5x = 3(x)(9x) + 11 Remove parenthesis around (3x) 9 * 3x(x) + -5x = 3(x)(9x) + 11 Multiply 9 * 3 27x * x + -5x = 3(x)(9x) + 11 Multiply x * x 27x2 + -5x = 3(x)(9x) + 11 Reorder the terms: -5x + 27x2 = 3(x)(9x) + 11 Remove parenthesis around (9x) -5x + 27x2 = 3x * 9x + 11 Reorder the terms for easier multiplication: -5x + 27x2 = 3 * 9x * x + 11 Multiply 3 * 9 -5x + 27x2 = 27x * x + 11 Multiply x * x -5x + 27x2 = 27x2 + 11 Reorder the terms: -5x + 27x2 = 11 + 27x2 Add '-27x2' to each side of the equation. -5x + 27x2 + -27x2 = 11 + 27x2 + -27x2 Combine like terms: 27x2 + -27x2 = 0 -5x + 0 = 11 + 27x2 + -27x2 -5x = 11 + 27x2 + -27x2 Combine like terms: 27x2 + -27x2 = 0 -5x = 11 + 0 -5x = 11 Solving -5x = 11 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Divide each side by '-5'. x = -2.2 Simplifying x = -2.2
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