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प्रश्न
Subtract: -x2 + 10x - 5 from 5x - 10
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उत्तर
(5x - 10) - (-x2 + 10x - 5) = 5x - 10 + x2 - 10x + 5
= x2 + 5x - 10x - 10 + 5
= x2 - 5x - 5
संबंधित प्रश्न
Subtract: 4a − 7ab + 3b + 12 from 12a − 9ab + 5b − 3
Add: ab - 4a, 4b - ab, 4a - 4b
Add: x2 - y2 - 1 , y2 - 1 - x2, 1- x2 - y2
Subtract: -m2 + 5mn from 4m2 - 3mn + 8
What should be taken away from 3x2 - 4y2 + 5xy + 20 to obtain - x2 - y2 + 6xy + 20?
Subtract:
2a2 from − 7a2
The addition of – 7b and 2b is ____________
Add:
3a(a – b + c), 2b(a – b + c)
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 |
