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Use the Factor Theorem to determine all the factors of  the following expression $x^3 + x^2 - 17x + 15$
in Grade 12 Maths by Bronze Status (5.9k points) | 11 views

1 Answer

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x=1 gives 0 on substitution into function, hence x-1 is a factor

divide function by x-1 using long division to get

(x-1)(x^2 + 2x -15)

(x-1)(x-3)(x+5)
by Diamond (85.5k points)

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