Question

Using suitable properties evaluate the following:
a) 215 * (-55) + (-215) * 45
b) (-25) - 102​

Answer 1

Answer:

$215( - 55) + ( - 215) \times 45 \\ 215( - 55 + 45) \\ 215 \times ( - 10) \\ = - 2150 \\ ( - 25) - 102 \\ - 25 - 102 \\ - 127$