Question

Розкрий дужки: (−10−d)(m−5)

Answer 1

Ответ:

-10 × m = - 10m

-10 × - 5 = 50

-d × m = - dm

-d × - 5 = 5d

-10m + 50 - dm + 5d

Answer 2

$\bf~~(-10-d)(m-5)=-10*(m-5)-d*(m-5)=-10m+50-dm+5d.$