SOLUTION: Solve the equation 4(4+x)^2=9

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Question 204761This question is from textbook Longman Mathematics for IGCSE
: Solve the equation
4(4+x)^2=9
This question is from textbook Longman Mathematics for IGCSE

Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
Solve the equation
4(4+x)^2=9
4(16+8x+x^2) = 9
64 + 32x + 4x^2 = 9
4x^2 + 32x + 55 = 0
(2x+5)(2x+11) = 0
x = -5/2 or x = -11/2
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Cheers,
Stan H.
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