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प्रश्न
Add:
3y2 − 10y + 16; 2y − 7
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उत्तर
(3y2 − 10y + 16) + (2y − 7)
= 3y2 − 10y + 16 + 2y − 7
= 3y2 + (−10y + 2y) + (16 − 7)
= 3y2 + (−8y) + 9
= 3y2 − 8y + 9
संबंधित प्रश्न
Simplify combining like terms: (3y2 + 5y - 4) - (8y - y2 - 4)
Add: -7mn + 5, 12mn + 2, 9mn - 8, -2mn - 3
Add: ab - 4a, 4b - ab, 4a - 4b
What should be taken away from 3x2 - 4y2 + 5xy + 20 to obtain - x2 - y2 + 6xy + 20?
Add the following algebraic expression:
\[\frac{3}{2}a - \frac{5}{4}b + \frac{2}{5}c, \frac{2}{3}a - \frac{7}{2}b + \frac{7}{2}c, \frac{5}{3}a + \frac{5}{2}b - \frac{5}{4}c\]
Subtract:
2a − b from 3a − 5b
If \[x + \frac{1}{x} = 12,\] find the value of \[x - \frac{1}{x} .\]
Add:
13x2 − 12y2; 6x2 − 8y2
Sum of x and y is x + y.
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 |
