Question

if x=3 , y=(-2) and z = 5 , then find the value of "5xy+4yz-3xz​

Answer 1

Answer:

-115

Step-by-step explanation:

X=3,y=-2,z=5

5(3)(-2)+4(-2)(5)-3(3)(5)

15(-2)+(-8)(5)-9(5)

-30+(-40)-45

-30-40-45

-70-45

-115