Advertisements
Advertisements
प्रश्न
Simplify combining like terms: 5x2y − 5x2 + 3y x2 − 3y2 + x2 − y2 + 8xy2 −3y2
Advertisements
उत्तर
5x2y - 5x2 + 3yx2 - 3y2 + x2 - y2 + 8xy2 − 3y2
= 5x2y + 3yx2 - 5x2 + x2 - 3y2 - y2 - 3y2 + 8xy2
= x2y (5 + 3) + x2 (-5 + 1) + y2(-3 - 1 -3) + 8xy2
= 8x2y - 4x2 - 7y2 + 8xy2
APPEARS IN
संबंधित प्रश्न
Add: x2 - y2 - 1 , y2 - 1 - x2, 1- x2 - y2
Subtract:
− 5xy from 12xy
If \[x - \frac{1}{x} = 3,\] find the values of \[x^2 + \frac{1}{x^2}\] and \[x^4 + \frac{1}{x^4} .\]
Simplify: p + p + 2 + p + 3 + p – 4 – p – 5 + p + 10
a(b + c) = a × ____ + a × _____.
The expression 13 + 90 is a ______.
Add the following expressions:
ab + bc + ca and – bc – ca – ab
Add the following expressions:
p2 – q + r, q2 – r + p and r2 – p + q
Translate the following algebraic expression:
8(m + 5)
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 |
