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Aleksandr-060686 [28]
3 years ago
10

Which of the following is equal to the rational expression when x*-2 or 3? X^2 +5x+6 X^2-X-6

Mathematics
1 answer:
trasher [3.6K]3 years ago
7 0

Answer:

Step-by-step explanation:

x=-2, x=3

---------------

x^2+5x+6=(-2)^2+5(-2)+6=(-2)(-2)-10+6=4-10+6=-6+6=0

x^2+5x+6=3^2+5(3)+6=9+15+6=24+6=30

---------------------------------------------------------------

x^2-x-6=(-2)^2-(-2)-6=4+2-6=6-6=0

x^2-x-6=3^2-3-6=9-3-6=6-6=0

-----------------------------------------------------

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