Advertisements
Advertisements
Question
What should be added to x2 + xy + y2 to obtain 2x2 + 3xy?
Advertisements
Solution
Let a be the required term.
a + (x2 + y2 + xy) = 2x2 + 3xy
a = 2x2 + 3xy - (x2 + y2 + xy)
a = 2x2 + 3xy - x2 - y2 - xy
a = 2x2 - x2 - y2 + 3xy - xy
= x2 - y2 + 2xy
shaalaa.com
Is there an error in this question or solution?
RELATED QUESTIONS
Add the following:
a − b + ab, b − c + bc, c − a + ac
Subtract: 4a − 7ab + 3b + 12 from 12a − 9ab + 5b − 3
Add: a + b - 3, b - a + 3, a - b + 3
Subtract: 4pq - 5q2 - 3p2 from 5p2 + 3q2 - pq
Add:
13x2 − 12y2; 6x2 − 8y2
Add:
17a2b2 + 16c; 28c − 28a2b2
Simplify: p + p + 2 + p + 3 + p – 4 – p – 5 + p + 10
Simplify: n + (m + 1) + (n + 2) + (m + 3) + (n + 4) + (m + 5)
Add the following expressions:
uv – vw, vw – wu and wu – uv
How much is y4 – 12y2 + y + 14 greater than 17y3 + 34y2 – 51y + 68?
