Simplify.(3x2−2x+2)−(x2+5x−5)
4x2+3x−3
2x2−7x+7
2x2−3x−3
2x2+3x−3
Answers
Answer:
2x2+3x-3
Step-by-step explanation:
The first thing you want to do is find all the X2"s and add those together and that looks like this 3x2+(-x2) which would be 2x2. Then you want to find all of the x's and add them together which looks like this -2x+5x which is 3x. Then you find all the whole numbers without a variable and that's 2-5 which equals to be -3.
Final answer:
To simplify the given expression, rewrite it without parentheses changing the signs of the terms being subtracted. Then, combine like terms. The simplified expression is 2x² - 7x + 7.
Explanation:
To solve this problem, we must subtract the terms in the second parenthesis from the corresponding terms in the first.
Step 1: First, we rewrite the expression without parentheses, changing the signs of the terms in the second set of parentheses because it is being subtracted:
3x² - 2x + 2 - x² - 5x + 5
Step 2: Next, we collect and combine like terms.
3x² - x² - 2x - 5x + 2 + 5 = 2x² - 7x + 7
Thus, the simplified expression is 2x² - 7x + 7.
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:D I hope this is right! sorry if its not ; )
3). what is 5 3/10 minus 2/5
4). For the school's inframurals a group of student prepared 23 1/12 liters of lemonade to sell at the end of the day they had 3 5/8 liters left over. how many liters of lemonade were sold?
5). my mother brought 3 3/4 kg of beef
2 3/5 kg of pork and 5 1/2 kg of chicken how many kilo grams of meat did she buy
Answers
Step-by-step explanation:
1) 3/5 + 2/5 = 5/5 or 1
2) to do this problem you need to make the denominators the same
(2/3)4 (1/4)3 8/12- 3/12. = 5/12
3)likewise here, you only have to change one denomimator
5 3/10 - (2/5)2
5 3/10 - 4/10
now to make this easiee for myself I prefer to make it a mixed number so 5(10)+ 3 = 53/10
53/10 - 4/10 = 49/10 then we convert this back to a mixed number and thus
5 3/10 - 2/5 = 4 9/10
4) 23 (1/12)2 - x = (3 5/8)3
23 2/24 - x = 3 15/24
- 3 15/24 +x = -3 15/24 + x
19 21/24 = x
simplify 19 7/8 liters sold
5) 3 3/4 + 2 3/5 + 5 1/2 = 11 17/20
Answers
Answer:
The first four terms of the sequence are: {-10,-23,-62,-179}
Step-by-step explanation:
Given recursive formula is:
First term = a1 = -10
The first term is already known. In order to find the next terms, we will put n=2,3,4 in the recursive formula.
Putting n=2
Putting n=3
Putting n=4
Hence,
The first four terms of the sequence are: {-10,-23,-62,-179}