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See Attached for algebra equations

Section 10.5
Pg. 569 # 12 Reference: Examples 1 & 2

Section 10.5
Pg. 569 # 18 Reference: Examples 3 & 4

Pg. 576 # 47

Section 10.5
Pg. 576 # 52

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Section 10.5
Pg. 569 # 12 Reference: Examples 1 & 2

x(x + 1) >0
Either both numbers are positive, or both numbers are negative.
Therefore, x>0 and x+1>0 (which is x>-1) implies that x>0.
And x<0 and x+1<0 (which is x<-1) implies that ...

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