Answer:
4y + yz
Explanation:
the grouping symbols can be parentheses, brackets, or in this case a sign of multiplication ·
you have the expression
y · 4 +y ·z
to eliminate the symbol · from the first term you just do the multiplications:
y multiplied by 4 is equal to 4y
and to eliminate the symbol · from the second term, since we don't know the values to y and z, we let them indicates as yz, because the simple fact of two variables written together is indication of a multiplication.
So the result is:
4y + yz