Answer:
1. x<−2 or x>−2
2. x<2 or x>3
3. x<−3 or x>−2
Step-by-step explanation:
1.) x2+4x+4>0
x2+4x+4=0
(x+2)(x+2)=0
x+2=0 or x+2=0
x=−2
2.) x2−5x+6>0
x2−5x+6=0
(x−2)(x−3)=0
x−2=0 or x−3=0
x=2 or x=3
3.) x2+5x+6>0
x2+5x+6=0
(x+2)(x+3)=0
x+2=0 or x+3=0
x=−2 or x=−3
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Answers & Comments
Answer:
1. x<−2 or x>−2
2. x<2 or x>3
3. x<−3 or x>−2
Step-by-step explanation:
1.) x2+4x+4>0
x2+4x+4=0
(x+2)(x+2)=0
x+2=0 or x+2=0
x=−2
2.) x2−5x+6>0
x2−5x+6=0
(x−2)(x−3)=0
x−2=0 or x−3=0
x=2 or x=3
3.) x2+5x+6>0
x2+5x+6=0
(x+2)(x+3)=0
x+2=0 or x+3=0
x=−2 or x=−3