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Simplifying px2 + rx + rn = 0 Reorder the terms: nr + px2 + rx = 0 Solving nr + px2 + rx = 0 Solving for variable 'n'. Move all terms containing n to the left, all other terms to the right. Add '-1px2' to each side of the equation. nr + px2 + -1px2 + rx = 0 + -1px2 Combine like terms: px2 + -1px2 = 0 nr + 0 + rx = 0 + -1px2 nr + rx = 0 + -1px2 Remove the zero: nr + rx = -1px2 Add '-1rx' to each side of the equation. nr + rx + -1rx = -1px2 + -1rx Combine like terms: rx + -1rx = 0 nr + 0 = -1px2 + -1rx nr = -1px2 + -1rx Divide each side by 'r'. n = -1pr-1x2 + -1x Simplifying n = -1pr-1x2 + -1x
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