SOLUTION: what are the two roots for the equation -x^2+8x-7=0

Question 729964: what are the two roots for the equation -x^2+8x-7=0
Answer by hoomanc(14) (Show Source): You can put this solution on YOUR website!
for all such problems that match with following pattern just follow the procedure and that will easily solve!
pattern:
step 1) determine each value from your equation:
in this case

step 2) calculate value D as
in this case
so you would have answer follow to next step to find out.
step4) the answer of this equation would be as follow:
(1) in this case
(2) In this case
it is obvious that if the value of "D" get equal to zero two answer would be the same as

Good Luck

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