Math, asked by tejaltgajjar182778, 10 months ago

subject maths,
std;10
X2-81

Answers

Answered by karandenishikant84

1

Answer:

x^2-81=0
(x-9) (x+9)= 0

3. x-9=0 or x+9= 0

So x=9 or x=-9

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