There are 12 inches in 1 foot. this is equivalent to 60 inches in 5 feet. which proportions can be used to represent this? check
2 answers:
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Answer:
The roots are 3 and -4
Step-by-step explanation:
Well the roots of a polynomial are when that polynomial is set to zero. So this becomes . Dividing by two on both sides we get
. Then, by factoring we get
. Then, since one of them has to be zero, we get two equations:
and
. Solving we get
and
.