emelylugo33
26.03.2020 •
Mathematics
Simplify.
−1/2x−1/5−5x+3/10+3/2x
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Do not use decimals in your answer.
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Ответ:
-4x+1/10
Step-by-step explanation:
−1/2x−1/5−5x+3/10+3/2x
Combine like terms
-5x−1/2x+3/2x+3/10 - 1/5
Taking parts
-5x -1/2x + 3/2x = -5x +2/2x =-4x
3/10 -1/5 and getting a common denominator
3/10 -1/5*2/2= 3/10-2/10 = 1/10
Putting it back together
-4x +1/10
Ответ:
20-50x²+x/10x
Step-by-step explanation:
−1/2x−1/5−5x+3/10+3/2x
When an expression has more than one sign, the order of operation is used, which is the rule of BODMAS. Bracket Of Division Multiplication Addition and Subtraction. And if it will be solved in that order.
−1/2x−1/5−5x+3/10+3/2x
Collect like terms first
-1/2x+3/2x-5x-1/5+3/10
1/2x+3/2x-5x
We find the LCM of that first
(1+3)/2x-5x
4/2x-5x
(4-10x²)/2x
-1/5+3/10
Using LCM
(-2+3)/10
1/10
(4-10x²)/2x+1/10
10(4-10x²)+2x/20x
(40-100x²)+2x/20x
20-50x²+x/10x
Ответ:
Solution in photo
Step-by-step explanation: