SOLUTION: solve for x: 9(x + 4)^2 - 7 = 0
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Question 384598
:
solve for x: 9(x + 4)^2 - 7 = 0
Answer by
mananth(16946)
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9(x + 4)^2 - 7 = 0
...
9(x+4)^2=7
...
/9
(x+4)^2= 7/9
...
...
(x+4)=+/- sqrt(7/9)
x= -4+sqrt(7/9)
OR
x=-4-sqrt(7/9)
...
m.ananth@hotmail.ca