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When a trinomial is factored as (x+m)(x+n), what is the sum of m and n?

A. The degree of the trinomial

B. The constant term of the trinomial

C. The coefficient of the x-term of the trinomial

D. The coefficient of the x^2-term of the trinomial

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ghanami
hello : 
(x+m)(x+n) =x² +mx +nx +mn
a trinomial is factored as (x+m)(x+n) is : x² +(m+n)x +mn

A. The degree of the trinomial : 2

B. The constant term of the trinomial : mb

C. The coefficient of the x-term of the trinomial : m+n

D. The coefficient of the x^2-term of the trinomial : 1

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