Math, asked by Aloksharma1, 1 year ago

one of the factor of [9x^(2)-1)-(1+3x)^(2) is
a) 3+x
b) 3-x
c) 3x-1
d) 3x+1
plz explain also

Answers

Answered by demon2001
1
3x+1 will be the right answer if u put x= -1/3 then the above equation become zero...
Aloksharma1: Thanks for helping me
demon2001: its ok buddy but u can also solve it but putting the equation equal to zero.... by using quadratic equations... hope u understand it better..
Aloksharma1: now i understand it
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