Question

Remove parentheses and simply.
4x+4y-5(4x-2y+9z)=

Answer 1

-16x+14y-45z

Explanation:

4x+4y-5(4x-2y+9z)

we apply the distributive property:

4x+4y-5*4x-5*(-2y)-5*9z

so we have:

4x+4y-20x+10y-45z

-16x+14y-45z