Question

Which of the following expressions is a common factor when the expressions x2 – 9 and x2 – 5x + 6 are factored?

Answer 1

Answer:

x-3

Step-by-step explanation:

Answer 2

(x - 3) is the common factor.

Given that,

• The equation is $x^2 - 9$ and $x^2 - 5x + 6$

Calculation:

$= x^2 - 9$

= (x + 3) (x - 3)

And,

$x^2 - 5x + 6\\\\x^2 - 3x - 2x + 6\\\\x (x - 3) - 2 (x - 3)$

(x - 2) (x - 3)

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