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प्रश्न
Subtract: 4a − 7ab + 3b + 12 from 12a − 9ab + 5b − 3
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उत्तर
The given expressions are in separate rows, with like terms one below the other, and then the subtraction of these expressions is as follows:
12a – 9ab + 5b – 3
4a – 7ab + 3b + 12
(–) (+) (–) (–)
_____________________
8a – 2ab + 2b – 15
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संबंधित प्रश्न
Add the following:
l2 + m2, m2 + n2, n2 + l2, 2lm + 2mn + 2nl
Subtract 4p2q − 3pq + 5pq2 − 8p + 7q − 10 from 18 − 3p − 11q + 5pq − 2pq2 + 5p2q
Add: 14x + 10y - 12xy - 13, 18 - 7x - 10y + 8xy, 4xy
Subtract:
− 5xy from 12xy
Add:
9p + 16q; 13p + 2q
Add:
17a2b2 + 16c; 28c − 28a2b2
Find the sum of the following expressions
a + 5b + 7c, 2a + 10b + 9c
Add:
9ax + 3by – cz, –5by + ax + 3cz
Add the following expressions:
p2 – q + r, q2 – r + p and r2 – p + q
At age of 2 years, a cat or a dog is considered 24 “human” years old. Each year, after age 2 is equivalent to 4 “human” years. Fill in the expression [24 + 
(a – 2)] so that it represents the age of a cat or dog in human years. Also, you need to determine for what ‘a’ stands for. Copy the chart and use your expression to complete it.
| Age | [24 +  (a – 2)] |
Age (Human Years) |
| 2 | ||
| 3 | ||
| 4 | ||
| 5 | ||
| 6 |
