Question

If x = 5, y = 2 and z = 3 then xz (4y - 2z) is _____________?

Answer 1

Substitute the given values for the variables:

xz(4y - 2z)
5 * 3[4(2) - 2(3)]
5 * 3(8 - 6)
5 * 3(2)
15(2)
30

Answer:
30

Hope this helps.