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Simplifying -4nx2 + -16x + 9 = 0 Reorder the terms: 9 + -4nx2 + -16x = 0 Solving 9 + -4nx2 + -16x = 0 Solving for variable 'n'. Move all terms containing n to the left, all other terms to the right. Add '-9' to each side of the equation. 9 + -4nx2 + -9 + -16x = 0 + -9 Reorder the terms: 9 + -9 + -4nx2 + -16x = 0 + -9 Combine like terms: 9 + -9 = 0 0 + -4nx2 + -16x = 0 + -9 -4nx2 + -16x = 0 + -9 Combine like terms: 0 + -9 = -9 -4nx2 + -16x = -9 Add '16x' to each side of the equation. -4nx2 + -16x + 16x = -9 + 16x Combine like terms: -16x + 16x = 0 -4nx2 + 0 = -9 + 16x -4nx2 = -9 + 16x Divide each side by '-4x2'. n = 2.25x-2 + -4x-1 Simplifying n = 2.25x-2 + -4x-1
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