( x + 3) (x - 3 ) = 40
Answers
Answered by
37
x²-3²=40
x²= 40+9
x²=49
X= √49 = 7
x²= 40+9
x²=49
X= √49 = 7
rakshit2310:
Sorry but wrong
x^-9=40 ,x^=31
CND
sry
x=7
because x^=√49
Answered by
44
Hey frnd here is ur ans......
(x+3)(x-3)=40
x^2-3x+3x-9=40
x^2-9=40
x^2=40+9
x=√49
x=7 Ans.
Hope it helps you✌✌
Thankyou☺
(x+3)(x-3)=40
x^2-3x+3x-9=40
x^2-9=40
x^2=40+9
x=√49
x=7 Ans.
Hope it helps you✌✌
Thankyou☺
good
Hii
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