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Simplifying P(x) = -1x2 + 10x + -21 Multiply P * x xP = -1x2 + 10x + -21 Reorder the terms: xP = -21 + 10x + -1x2 Solving xP = -21 + 10x + -1x2 Solving for variable 'x'. Reorder the terms: 21 + -10x + xP + x2 = -21 + 10x + -1x2 + 21 + -10x + x2 Reorder the terms: 21 + -10x + xP + x2 = -21 + 21 + 10x + -10x + -1x2 + x2 Combine like terms: -21 + 21 = 0 21 + -10x + xP + x2 = 0 + 10x + -10x + -1x2 + x2 21 + -10x + xP + x2 = 10x + -10x + -1x2 + x2 Combine like terms: 10x + -10x = 0 21 + -10x + xP + x2 = 0 + -1x2 + x2 21 + -10x + xP + x2 = -1x2 + x2 Combine like terms: -1x2 + x2 = 0 21 + -10x + xP + x2 = 0 The solution to this equation could not be determined.
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