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in Polynomials by (48.7k points)
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If x – 1 is a factor of the polynomial 3x2 + mx, then find the value of m. 

(A) 2 

(B) -2 

(C) -3 

(D) 3

1 Answer

+1 vote
by (49.4k points)
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Best answer

(C) -3

p(1) = 0 

∴ 3(1)2 + m(1) = 0 

∴ 3 + m = 0 

∴ m = -3

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