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Factor the trinomial below. x^2-14x+45 A. (x-3)(x+15) B. (x-3)(x-15) C. (x-5)(x-9) D. (x-5)(x+9)
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Factor the trinomial below.

x^2-14x+45

A. (x-3)(x+15)
B. (x-3)(x-15)
C. (x-5)(x-9)
D. (x-5)(x+9)

User Ashif Abdulrahman
by
8.0k points

1 Answer

7 votes
C (x-9)(x-5)

Proof:
-9-5=-14
-9*-5=45

Foiling:
x^2-5x-9x+45
x^2-14x+45
User Genelle
by
7.9k points
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