Asked by Anonymous
what value of x makes the following equation true? -5(x + 10)2=390,625
All work must be shown and explantions must be in complete sentences.
All work must be shown and explantions must be in complete sentences.
Answers
Answered by
Dave
if im reading this correctly, youre multiplying (x+10) by -5 and 2, so distribute the numbers so you get -10x-100 and then add 100 to both sides and divide both sides by -10 to get your answer
Answered by
Reiny
again, I think they mean
-5(x + 10)^2=390,625
(why would you put a multiplier in front and behind a binomial ?)
(x+10)^2 = -78125
which is not possible since the square of anything is positive.
So, no solution.
-5(x + 10)^2=390,625
(why would you put a multiplier in front and behind a binomial ?)
(x+10)^2 = -78125
which is not possible since the square of anything is positive.
So, no solution.
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