Answer:
The roots are
Step-by-step explanation:
we have

The formula to solve a quadratic equation of the form
is equal to
in this problem we have
so
substitute in the formula
Remember that

so
The roots are
Answer:
(-∞,-2)∪(
,∞)
Step-by-step explanation:
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2/7. just add the -4 and 6 together and use the 7 as the denominator