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pantera1 [17]
3 years ago
15

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

Mathematics
1 answer:
Temka [501]3 years ago
5 0
C. The coefficient of the x-term of the trinomial

Again, here's your reason:
(x+m)(x+n)
x^2 +xm+nx +mn
x^2 + x (m+n) + mn


As you can clearly see that the sum of m and n equal the coefficient of x term so, the correct option is C.
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Sever21 [200]

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Add 6 to both sides so -4x can be alone.

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To get x alone, divide both sides by -4.

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x = -6 is your answer. I hope this helps! Let me know if you need more help or if I got something wrong.

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