Question 187035
Write in simplest form. Please help! 
x^+14x+40 over x^-100 
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Factor NUM and DEN
Is ^ supposed to be ^2 ??  If so,
{{{(x^2+14x+40)/(x^2-100)}}}
=(x+10)*(x+4)/((x+10)*(x-10))
Cancel the (x+10)
=(x+4)/x-10)
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You have to put in the exponent 2, don't expect it to be assumed.  It could be any exponent, 3, 7, even x.