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QuizMultiple Choice

Factoring Trinomials: a = 1 (Continued) — Quiz

Question 1 • Algebra I

Which shows the factored form of x squared minus 12 x minus 45 ?

Answer
A
open paren x plus 3 close paren times open paren x plus 15 close paren
B
open paren x plus 3 close paren times open paren x minus 15 close paren
C
open paren x minus 3 close paren times open paren x plus 15 close paren
D
open paren x minus 3 close paren times open paren x minus 15 close paren

Explanation

To factor x² − 12x − 45, find two numbers whose product is −45 and whose sum is −12. The numbers 3 and −15 meet both conditions. Therefore, the factored form is (x + 3)(x − 15), choice B.

AI-written and checked against the verified answer.

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