What number should be added to the expression x^2 + 6x to change it into a perfect square trinomal
1 answer:
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First compute the coefficient like this:
Simplifying the fraction over 4! we get:
and the variables are
. So answer 
.
The correct answer is C then.
Simplifying the fraction over 4! we get:
and the variables are
The correct answer is C then.