Ответ:
5(2а+b-8c)=5*2a+5*b-5*8c=10а+5b-40c
-4(-x+3y-4k)=-4*(-x)-4*3y-4*(-4k)=4x-12y+16k
8(6x-7)-17a=8*6x+8*(-7)-17a=48x-56-17a
9y-5(12-x)=9y-5*12-5*(-x)=9y-60+5x
-4(5x+9y-k)=-4*5x-4+9y-4*(-k)=-20x-36y+4k
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Verified answer
Ответ:
5(2а+b-8c)=5*2a+5*b-5*8c=10а+5b-40c
-4(-x+3y-4k)=-4*(-x)-4*3y-4*(-4k)=4x-12y+16k
8(6x-7)-17a=8*6x+8*(-7)-17a=48x-56-17a
9y-5(12-x)=9y-5*12-5*(-x)=9y-60+5x
-4(5x+9y-k)=-4*5x-4+9y-4*(-k)=-20x-36y+4k