Question

раскрыть скобки -6(2,5x - 4y);2(x - 3y +4z);-0,4(-5 + 1,5y);

Answer 1

-6(2,5x-4y)

{-12, -6 (5 x - 4 y)}

{-12, 24 y - 30 x}

2(x - 3y +4z)

2x-6y+8z

0,4(-5 + 1,5y)

0