Question

7a+3*(a-b)
-5a+2*(2,5a-b)
2x-3*(x-y)
-4x+2*(2x-5)

Упростите пж

Answer 1

Ответ:

-10 - 3*b - 3*x + 3*y + 5*a + 2*x*(-2*b + 5*a)

Пошаговое объяснение:

Answer 2

$7a + 3(a - b) = 7a + 3a - 3b = 10a - 3b$

$- 5a + 2(2.5a - b) = - 5a + 5a - 2b = - 2b$

$2x - 3(x - y) = 2x - 3x + 3y = - 1x + 3y$

$- 4x + 2(2x - 5) = - 4x + 4x - 10 = - 10$