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Simplifying X^{2}+ 16x + 42 = 0 Reorder the terms: 42 + X^{2}+ 16x = 0 Solving 42 + X^{2}+ 16x = 0 Solving for variable 'X'. Move all terms containing X to the left, all other terms to the right. Add '-42' to each side of the equation. 42 + X^{2}+ -42 + 16x = 0 + -42 Reorder the terms: 42 + -42 + X^{2}+ 16x = 0 + -42 Combine like terms: 42 + -42 = 0 0 + X^{2}+ 16x = 0 + -42 X^{2}+ 16x = 0 + -42 Combine like terms: 0 + -42 = -42 X^{2}+ 16x = -42 Add '-16x' to each side of the equation. X^{2}+ 16x + -16x = -42 + -16x Combine like terms: 16x + -16x = 0 X^{2}+ 0 = -42 + -16x X^{2}= -42 + -16x Simplifying X^{2}= -42 + -16x Reorder the terms: 42 + X^{2}+ 16x = -42 + -16x + 42 + 16x Reorder the terms: 42 + X^{2}+ 16x = -42 + 42 + -16x + 16x Combine like terms: -42 + 42 = 0 42 + X^{2}+ 16x = 0 + -16x + 16x 42 + X^{2}+ 16x = -16x + 16x Combine like terms: -16x + 16x = 0 42 + X^{2}+ 16x = 0 The solution to this equation could not be determined.

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