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posted by hattie on Tuesday, August 21, 2012 at 8:58pm.
)Find a value of s such that x – 4 is a factor of f(x) = x3 - 2x2+ sx + 4.
division reveals that the remainder is 4s+36 so, if s = -9, the remainder is zero. check: x^3 - 2x^2 - 9x + 4 = (x-4)(x^2 + 2x - 1)
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