Which expressions are equivalent to g+h+(j+k)? check all that apply.
g+(h+j)+k
(g+h)+jk
(g+h)+j+k
g+h(+jk)
gh+jk
g(h+j)k
g+h(j+k)

Step-by-step explanation:

g+(h+j)+k

correct cause in addition where you put bracket answer will be same

(g+h)+jk

no there jk multiply while other side there is addition so wrong

(g+h)+j+k

as we say in first one it is correct

gh+jk

g(h+j)k

not equivalent due to multiplication

g+h(j+k)

correct and equivalent