Question

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Practice
Topic -
Questions
Integers
(1) Simplify:
(a) 8x1-15) +8xb
(b) (-18)x2 + (-18)x-4
(d) (16) (8) +1-4)*(-8)
(c)
Lox (-12) +5x(-12)​

Answer 1

Answer:

a)8×1-15+8×b

= 8-15+8×b

=-7+8×b

=+1×b

=b

b). (-18)×2+(-18)×4

= -18×2-18×4

= -36-72

= -108

d) (16)(8)+1-4*(-8)

= 16×8+1-4×(-8)

=128+1-4×(-8)

=129-4×(-8)

=125×-8

-1000