Question

1. a(x – y) –b(x – y) 5. a(x + c) – b(x + c) 2. 5в – 20 -4х + хв 6. 2(x – 7) – y(7 – x) 2х +ух – 7у - 14 3. m – n +(n – m)y 7. x – p + (p – x)c 4. 2a + b + 2a2 + ab раскройте скобки дам 10 балов

Answer 1

Ответ:

1.ax-ay-bx+by 5. ax+ac-bx-bc 6. 2x-14-7y+xy×2x+yx-7y-14.3

m-n+ny-my 7. x-p+pc-xc 4. 2a+b+2a2+ab