Question
Explain the difference between “4 times the sum of x and y” and “the sum of 4 times x and y.”
Explain the difference between “4 times the sum of x and y” and “the sum of 4 times x and y.”
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Koala Tutor
Koala Ai Support
The difference between the two expressions lies in the order of operations.
"4 times the sum of x and y" means that you first add the values of x and y, and then multiply the sum by 4.
On the other hand, "the sum of 4 times x and y" instructs you to first multiply the value of x by 4, and then add the result to y.
In mathematical terms, the first expression can be written as 4(x + y), while the second expression can be written as (4x + y).