Answer:
[tex]\large\boxed{6[5(7x+4z)-4]=210x+120z-24}[/tex]
Step-by-step explanation:
The distributive property: a(b + c) = ab + ac
[tex]6[5(7x+4z)-4]=6[(5)(7x)+(5)(4z)-4]\\\\=6(35x+20z-4)=(6)(35x)+(6)(20z)+(6)(-4)\\\\=210x+120z-24[/tex]
