Posted by Emily on .
What does it mean by:
Show that the "value of 3x^26x+5" cannot be less than 1. ?

Math 
bobpursley,
show the opposite: the value is <1
3x^26x+5<1
3x^26x+4<0
x= (6+sqrt(3648))/6
well the serd here is imaginary. So the assumption of being less than one is false.