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d1i1m1o1n [39]
2 years ago
5

The zeros of the function f(x) =(x+2) to the second power minus 5

Mathematics
1 answer:
pashok25 [27]2 years ago
8 0
(x+2)^2-5=0\\
(x+2)^2=5\\
x+2=-\sqrt5 \vee x+2=\sqrt5\\
x=-2-\sqrt5 \vee x=-2+\sqrt5
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