Advertisements
Advertisements
प्रश्न
Subtract:
2x3 − 4x2 + 3x + 5 from 4x3 + x2 + x + 6
Advertisements
उत्तर
\[ \left( 4 x^3 + x^2 + x + 6 \right) - \left( 2 x^3 - 4 x^2 + 3x + 5 \right)\]
\[ = 4 x^3 + x^2 + x + 6 - 2 x^3 + 4 x^2 - 3x - 5\]
\[ = 4 x^3 - 2 x^3 + x^2 + 4 x^2 + x - 3x + 6 - 5 \text { (Collecting like terms })\]
\[ = 2 x^3 + 5 x^2 - 2x + 1 (\text { Combining like terms })\]
संबंधित प्रश्न
Add: ab - 4a, 4b - ab, 4a - 4b
Subtract: 6xy from − 12xy
From the sum of 3x - y + 11 and - y - 11, subtract 3x - y - 11.
Subtract:
2a − b from 3a − 5b
Add:
2a + 6b + 8c; 16a + 13c + 18b
The expressions 8x + 3y and 7x + 2y cannot be added
On simplification `(3x + 3)/3` = ______.
What should be added to x3 + 3x2y + 3xy2 + y3 to get x3 + y3?
What should be added to 3pq + 5p2q2 + p3 to get p3 + 2p2q2 + 4pq?
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 |
