Question

3)]
(ii) -21 [(-4) + 9) = -21 x (-4) +(-21) x 9​

Answer 1

Answer:

-21{(-4)+9}=-21*(-4)+(-21)*9

-21(-4+9)=84-189

-21*5=-105

-105=-105

0=0

Answer 2

Answer:

see the image for solution