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Simplifying qx2 + rx + s = 0 Solving qx2 + rx + s = 0 Solving for variable 'q'. Move all terms containing q to the left, all other terms to the right. Add '-1rx' to each side of the equation. qx2 + rx + -1rx + s = 0 + -1rx Combine like terms: rx + -1rx = 0 qx2 + 0 + s = 0 + -1rx qx2 + s = 0 + -1rx Remove the zero: qx2 + s = -1rx Add '-1s' to each side of the equation. qx2 + s + -1s = -1rx + -1s Combine like terms: s + -1s = 0 qx2 + 0 = -1rx + -1s qx2 = -1rx + -1s Divide each side by 'x2'. q = -1rx-1 + -1sx-2 Simplifying q = -1rx-1 + -1sx-2
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