Mathematics
Grade-7
Easy
Question
For given expression, select one correct equivalent expression from the four options.25x − 10y
- 55x–10y
- 10x + 25y
- 55x+2y
- 55x−2y
Hint:
Select common from all the terms and write it outside of bracket and match all options one by one .
common is actually the HCF of terms given
The correct answer is: 55x−2y
Given 25x - 10y
step1 :
taking common
as 5 is common to 25 and 10
common is actually the HCF of terms given
25x + 10y = 5.5x + 5.2y = 5 ( 5x + 2y ) is the right answer .
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