a) (-25).(-17).4
= [(-25).4].(-17)
= (-100).(-17)
= 1700
b) (-2).(150 + 14)
= (-2).150 + (-2).14
= -300 - 28
= -328
a) \(\left(-25\right).\left(-17\right).4\)
\(=425.4=1700\)
b) \(\left(-2\right).\left(150+14\right)\)
\(=\left(-2\right).164=-328\)