Question

3. Factorise the following using appropriate identities
92 + xy + y?
100
4. Expand each of the following using suitable identities:
1 + 2 + 42)
(ii) (2x + y + z)
() (-2x+3y+202
(1) (-2x + 5y - 3
(vi)
and in 30-76-0​

Answer 1

Answer:

sorry i can't do this it is my weakness point in math

Answer 2

Answer:

3. 92+xy+y=?

xy+y=100-92

y(x+1)=8

x+1=8y

ans. x-8y+1=0