Advertisements
Advertisements
Question
Verify the following:
(–21) × [(– 4) + (– 6)] = [(–21) × (– 4)] + [(–21) × (– 6)]
Advertisements
Solution
L.H.S. = (−21) × [(−4) + (−6)]
= (−21) × [− 4 − 6]
= (−21) × [−10]
L.H.S. = 210
R.H.S. = [(−21) × (−4)] + [(−21) × (−6)]
= 84 + 126
R.H.S. = 210
Hence, (–21) × [(– 4) + (– 6)] = [(–21) × (– 4)] + [(–21) × (– 6)]
APPEARS IN
RELATED QUESTIONS
Check the following for equality and if they are equal, mention the property.
(8 – 13) × 7 and 8 – (13 × 7)
Check the following for equality and if they are equal, mention the property.
3 × [(−4) + (−10)] and [3 × (−4) + 3 × (−10)]
Which property is illustrated by the equation: (5 × 2) + (5 × 5) = 5 × (2 + 5)
Check the following for equality
(8 – 13) × 7 and 8 – (13 × 7)
Check the following for equality
3 × [(−4) + (−10)] and [3 × (−4) + 3 × (−10)]
–35 × 107 is not same as ______.
99 × 101 can be written as (100 – 1) × (100 + 1)
If a, b, c are integers and b ≠ 0 then, a × (b – c) = a × b – a × c
Evaluate the following, using distributive property.
–39 × 99
Evaluate the following, using distributive property.
68 × (–17) + (–68) × 3
