Автор - shamshe2019

даю по 40 баллов по 20​

Ответ

Автор - kuponr

1) 4*(x+3) = 4x+4*3 = 4x+12

2) 3*(x+8) = 3x+24

3) 2*(7-a) = 14-2a

4) 5*(p-10) = 5p-50

5) 6*(a-2b) = 6a-12b

6) (m+3n)*4 = 4m+12n

7) 2*(3x-2y)*3 = 6*(3x-2y) = 18x-12y

8) 3*(2p-5q)*7 = 21*(2p-5q) = 42p-105q

1) (x+y)*a = ax+ay

2) b*(x-y) = bx-by

3) 3x*(2a+b) = 6ax+3bx

4) 2y*(3x-y) = 6xy-2y^{2}

5) 5x*(6x+3y) = 30x^{2}+15xy

6) 3a*(-4b-2a) = -12ab-6a^{2}

7) -6a*(5b-2a) = -30ab+12a^{2}

8) 8m*(m+n) = 8m^{2}+8mn

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