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Simplifying R(x) = (35 + -1x)(380 + 20x) Multiply R * x xR = (35 + -1x)(380 + 20x) Multiply (35 + -1x) * (380 + 20x) xR = (35(380 + 20x) + -1x * (380 + 20x)) xR = ((380 * 35 + 20x * 35) + -1x * (380 + 20x)) xR = ((13300 + 700x) + -1x * (380 + 20x)) xR = (13300 + 700x + (380 * -1x + 20x * -1x)) xR = (13300 + 700x + (-380x + -20x2)) Combine like terms: 700x + -380x = 320x xR = (13300 + 320x + -20x2) Solving xR = 13300 + 320x + -20x2 Solving for variable 'x'. Reorder the terms: -13300 + -320x + xR + 20x2 = 13300 + 320x + -20x2 + -13300 + -320x + 20x2 Reorder the terms: -13300 + -320x + xR + 20x2 = 13300 + -13300 + 320x + -320x + -20x2 + 20x2 Combine like terms: 13300 + -13300 = 0 -13300 + -320x + xR + 20x2 = 0 + 320x + -320x + -20x2 + 20x2 -13300 + -320x + xR + 20x2 = 320x + -320x + -20x2 + 20x2 Combine like terms: 320x + -320x = 0 -13300 + -320x + xR + 20x2 = 0 + -20x2 + 20x2 -13300 + -320x + xR + 20x2 = -20x2 + 20x2 Combine like terms: -20x2 + 20x2 = 0 -13300 + -320x + xR + 20x2 = 0 The solution to this equation could not be determined.
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