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(x+1)(x+2)>0

(x+1)(x+2)>0

Grade:11

3 Answers

Prasenjit Dubey
17 Points
7 years ago

plot -1 , -2 on the number line. since the expression is greater than zero hence the answer will be x belongs to (-infinity,-2)union(-1,+infinity).

Bevkoof Singh
43 Points
7 years ago

it is so simple

find their exreme point

which are -1 and -2 are respectively now draw a no line locate these point on that line

then point divide that line in three part  take the positive side on the no. line as equation is gr. than 0

so domain is 

(-∞,-2)U(-1,∞)

shristi jaiswal
14 Points
7 years ago

X<-2 or X>-1

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