Question

раскрыть скобки 10х+(8х-(6х+4))

Answer 1

$10x+(8x-(6x+4))=10x+(8x-6x-4)=10x+8x-6x-4= \ 12x-4=4(3x-1)$

Answer 2

спасибо.

Answer 3

владей!

Answer 4

=10x+(8x-6x-4)=10x+(2x-4)=10x-2x+4=8x+4