Question

The value of l-5l -2 l-5l + l-1l is:
A. 4
B. 16
C. -4
D. -16

Answer 1

|−5|−(|2|)(|−5|)+|−1|

=5−(|2|)(|−5|)+|−1|

=5−2(|−5|)+|−1|

=5−(2)(5)+|−1|

=5−10+|−1|

=−5+|−1|

=−5+1

=−4

So, the answer is C, -4.