SOLUTION: How would I multiply this problem (10-√5)(10+√5)? This is what I have (10)(10)+10√5+10√5-√5√5
100-√25
100-5=95
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-> SOLUTION: How would I multiply this problem (10-√5)(10+√5)? This is what I have (10)(10)+10√5+10√5-√5√5
100-√25
100-5=95
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Question 945647: How would I multiply this problem (10-√5)(10+√5)? This is what I have (10)(10)+10√5+10√5-√5√5
100-√25
100-5=95 Answer by Alan3354(69443) (Show Source):
You can put this solution on YOUR website! How would I multiply this problem (10-√5)(10+√5)? This is what I have (10)(10)+10√5+10√5-√5√5
100-√25
100-5=95
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That's correct.
You show 10sqrt(5) + 10sqrt(5) ... one of them is negative. You did subtract it, tho, and got the right answer.
