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if7 times the 7th terms

Rewrite the middle term as the sumof two terms and then factor completely.Please show me the formula and how to use it
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2. asked by Diana
3. 516 views
The sum of 3 consecutive terms of an arithmetic sequence is 165. The second of these terms is 11 times the first. Find the 3
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2. asked by Alice
3. 685 views
An arithmetic progression has 5 terms that have a sum of 200. The sum of the last three terms added to 6 times the sum of the
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2. asked by mychelle
3. 1,212 views
1) The sum of last three terms of GP having n terms is 1024 time the sume of first 3 terms of GP. If 3rd term is 5. Find the
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2. asked by Sniper
3. 1,006 views
if7 times the 7th terms ofan arithmetic progression is equal to 11 time is 11th terms, show that its18th term is 0 can you find
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2. asked by rajeswari
3. 530 views
PLEASE HELP! I have the steps down and an answer..just need the correct one.6/8 = 8/y - 1/2 The LCM here is 8y, so I multiply on
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2. asked by AMY
3. 534 views
A geometric series has three terms. The sum of the three terms is 42. The third term is 3.2 times the sum of the other two. What
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2. asked by Han
3. 2,655 views
An arithmetic progression is such that the eighth term is three times the third term. Show thatthe sum of the first eight terms
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2. 104 views
(1) Why is x+2 from 2x?(2)Use the distributive property to remove the parentheses in each expression. Then simplify by combining
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2. asked by Jasmine20
3. 724 views
in an arithmetic sequence 17th term is 9 times the first three terms and the 9th term is 6 less than 3 times the 1st term. Find
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2. asked by jessica
3. 804 views