Question

10. Compare.
18 * (- 3) + 21 and 18 x [(- 3) + 21]​

Answer 1

Step-by-step explanation:

$18 \times ( - 3) + 21and18 \times ( - 3) + 21 \\ - 36 + 21and - 36 + 21 \\ 15and15 \\ hence \: both \: are \: same$

Answer 2

Step-by-step explanation:

-54 + 21 and -54 + 378

-33 and 324