помогите) 1) -10(2a-3b)+6b-a 2) 2(-4x-5)-3(x+8) 3) 7(8x+6)-4(2x-8) 4) 5a(-2b)×8 ...

arianagrieber @arianagrieber

July 2022 1 2 Report

помогите) 1) -10(2a-3b)+6b-a
2) 2(-4x-5)-3(x+8)
3) 7(8x+6)-4(2x-8)
4) 5a(-2b)×8
5) -(y+b)+(a-b+y)

Answers & Comments

Magnitogorskru

Verified answer

1) -10(2a-3b)+6b-a=-20а+30b+6b-a=36b-21a; ////2) 2(-4x-5)-3(x+8)=-8x-10-3x-24=-11x-34; ///3) 7(8x+6)-4(2x-8)=56x+42-8x+32=48x+74; ///4) 5a(-2b)×8=-10ab*8=-80ab; //////5) -(y+b)+(a-b+y)=-y-b+a-b+y=a-2b

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