Advertisements
Advertisements
Question
Add the following expressions:
x3 – x2y – xy2 – y3 and x3 – 2x2y + 3xy2 + 4y
Advertisements
Solution
We have, x3 – x2y – xy2 – y3 + x3 – 2x2y + 3xy2 + 4y
On combining the like terms,
= x3 + x3 – x2y – 2x2y – xy2 + 3xy2 – y3 + 4y
= 2x3 – 3x2y + 2xy2 – y3 + 4y
APPEARS IN
RELATED QUESTIONS
Subtract 3xy + 5yz − 7zx from 5xy − 2yz − 2zx + 10xyz.
Simplify combining like terms: 3a - 2b - ab - (a - b + ab) + 3ab + b - a
What should be added to x2 + xy + y2 to obtain 2x2 + 3xy?
Add the following algebraic expression:
3a2b, − 4a2b, 9a2b
Subtract:
\[x^2 y - \frac{4}{5}x y^2 + \frac{4}{3}xy \text { from } \frac{2}{3} x^2 y + \frac{3}{2}x y^2 - \frac{1}{3}xy\]
Add:
−3y2 + 10y − 16; 7y2 + 8
Add: 2a + b + 3c and `"a" + 1/3"b" + 2/5"c"`
Add the following expressions:
p2 – q + r, q2 – r + p and r2 – p + q
Add the following expressions:
`5/8p^4 + 2p^2 + 5/8; 1/8 - 17p + 9/8p^2` and `p^5 - p^3 + 7`
