Question

Z(z+y)-3; use y=2, and z=5

Answer 1

z(z+y)-3

5(5+2)-3

Do the bracket first:5+2

5+2=7

Multiply 5 and 7

5*7-3

35-3

32

Answer: 32

Answer 2

32

Explanation:

z(z+y)-3

lets substitute the values of y and z in the equation

5(5+2) -3

5(7) -3

35-3

32