Question

Simplify : 4(-7c+5d)+5-2(5+9d)

Answer 1

Explanation:

use -2 to open d bracket

4(-7c+5d)+5-10-18d

use 4 to open d bracket

-28c+20d+5-10-18d

re arrange

-28c+20d-18d+5-10

-28c+2d-5

note: - doesnt start an equation so rearrange

=+2d-28c-5