x= -2, -1, +2
Step-by-step explanation:
Hey there!
... x³ + x² - 4x - 4 = 0
... x² ( x + 1 ) - 4 ( x + 1 ) = 0
... ( x² - 4 ) ( x + 1 ) = 0
Note :- a²-b²=(a+b)(a-b)
... ( x + 2 ) ( x - 2 ) ( x + 1 ) = 0
Hence, the answers are :-
... -2,2,-1
Hope it helps!
.mp4 files, because, video
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