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Simplifying X2 + 42x + 400 = 0 Reorder the terms: 400 + X2 + 42x = 0 Solving 400 + X2 + 42x = 0 Solving for variable 'X'. Move all terms containing X to the left, all other terms to the right. Add '-400' to each side of the equation. 400 + X2 + -400 + 42x = 0 + -400 Reorder the terms: 400 + -400 + X2 + 42x = 0 + -400 Combine like terms: 400 + -400 = 0 0 + X2 + 42x = 0 + -400 X2 + 42x = 0 + -400 Combine like terms: 0 + -400 = -400 X2 + 42x = -400 Add '-42x' to each side of the equation. X2 + 42x + -42x = -400 + -42x Combine like terms: 42x + -42x = 0 X2 + 0 = -400 + -42x X2 = -400 + -42x Simplifying X2 = -400 + -42x Reorder the terms: 400 + X2 + 42x = -400 + -42x + 400 + 42x Reorder the terms: 400 + X2 + 42x = -400 + 400 + -42x + 42x Combine like terms: -400 + 400 = 0 400 + X2 + 42x = 0 + -42x + 42x 400 + X2 + 42x = -42x + 42x Combine like terms: -42x + 42x = 0 400 + X2 + 42x = 0 The solution to this equation could not be determined.
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