2 (a-b) + a (a-b) =

7 (x+y) - a (x+y) =

2 (a-b) + c (b-a) =

2a (b-3) - 5c (3-b) =

(m+1) - m (m+1) =

x (y-z) ² + (z-y) ²=

4 (m+n) + (m+n) =

2 (x-y) - a (x-y) =

Question

Мара

27 ноября, 12:22

+2

Ответы (1)

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Ефросимыч · Answer 1

1) 2a-2b+a^2-ab

2) 7x+7y-ax-ay

3) 2a-2b+cb-ca

4) 2ab-6-15 c-5cb

1) (m+1) - (m^2-1) = (m+1) - (m-1) (m+1) = m-1

2 (a-b) + a (a-b) =7 (x+y) - a (x+y) =2 (a-b) + c (b-a) =2a (b-3) - 5c (3-b) =(m+1) - m (m+1) =x (y-z) ² + (z-y) ²=4 (m+n) + (m+n) =2 (x-y) - a (x-y) =