Question

Which expression is equal to x + (y + z)?

xy + z
xy + xz
(x + y) + z
(x + y) ⋅ z

Answer 1

(x + y) + z

Explanation:

I took the test

Answer 2

X+(y+z) is equal to saying (x+y)+z

This is called the cumulative property when order doesn’t matter or doesn’t change the equation. As in 1+2 is the same as 2+1. No matter which way we get the same answer. This only works with multiplication and addition though. Hope this helps. Any questions please just ask!! Thank you so much!!