Question

-4(x+3y-4z)

(m-5n-6k) *(-1, 4)

-0, 8a(4p-5b-1, 2)

-14(3/7x-9/14y+0, 5z-0, 2)

Раскройте скобки

Answer 1

$1. \ -4(x+3y-4z) =-4x-12y+16z$

$2. \ (m-5n-6k) *(-1,4)=-1.4m+7n+8.4k$

$3. \ -0,8a(4p-5b-1,2) =-3.2ap+4ab+0.96a$

$4. \ -14(\frac{3}{7}x-\frac{9}{14} y+0,5z-0,2) =-6x+9y-7z+2.8$