Question

d 2y - xy + 4x?
Write the expression one under another so that like terms align in
Solution:
add
the
+5
+ 4x2
5x2 + 3xy + 2y?
+ 2y?
9.x2 + 2xy + 4y?
xy
Think, Discuss and Write
1. Sheela says the sum of 2pq and 4pq is 8p?q? is she right ? Give your
2. Rehman added 4x and 7y and got 11xy. Do you agree with Rehman
Example:
Solution:
Subtract 2xy + 9x? from 12xy + 4x2 – 3y2
Write the expressions being subtracted (subtrahend) below the e
d (minuend) aligning like term in colun​

Answer 1

Answer:

Subtract 2xy + 9x? from 12xy + 4x2 – 3y2

Write the expressions being subtracted (subtrahend) below the e

d (minuend) aligning like term in colun​

Step-by-step explanation: