Mathematics
OpenStudy (anonymous):

Simplify completely quantity x squared plus 4 x minus 45 all over x squared plus 10 x plus 9 and find the restrictions on the variable.

OpenStudy (anonymous):

not getting Q

OpenStudy (mertsj):

$\frac{x^2+4x-45}{x^2+10x+9}=\frac{(x+9)(x-5)}{(x+9)(x+1)}=\frac{x-5}{x+1}$

OpenStudy (anonymous):

Oh, got it

OpenStudy (anonymous):

how do you find the restrictions though?

OpenStudy (mertsj):

Do you understand that the denominator of the fraction cannot be 0?

OpenStudy (ajprincess):

|dw:1338181113072:dw||dw:1338181219131:dw||dw:1338181315451:dw| Restrictions are x is not equal to 5 and x is nt equal to -1.

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