can u please help me with the 13th question
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Ney13:
If you dont mind... I wanted to ask from where did you download that?
from the net
actually.... its our school website
I mean what website?
Oh!
do u think that the question is wrong?
No.. just askin because most of the questions are from NCERT
oh ok
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a.x^2+9x-7x-63=0
x(x+9)-7(x+9)=0
x+9(x-7)=0
x=-9,x=7
x(x+9)-7(x+9)=0
x+9(x-7)=0
x=-9,x=7
excuse me.....
may i ask u a doubt?
this is to be factorised by using identities
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