83441
AssignmentMultiple Select

Factoring Trinomials: a = 1 (Continued)

Question 83441 • FL-1200700-Mathematics for College Algebra MIS

What are the factors of x2 – 4x – 5? Check all that apply.x – 5x – 2x – 1x + 1x + 2x + 5

Answer
A
x – 5
B
x – 2
C
x – 1
D
x + 1
E
x + 2
F
x + 5

Explanation

To factor x² − 4x − 5, find two numbers whose product is −5 and whose sum is −4. Those numbers are −5 and +1, so x² − 4x − 5 = (x − 5)(x + 1). The correct factors are x − 5 and x + 1.

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