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kodGreya [7K]
3 years ago
13

X^2+2x=35 completing the square

Mathematics
1 answer:
kupik [55]3 years ago
8 0
x^2+2x=35
x^2+2x+1=35+1
(x+1)^2=36
(x+1)^2=6^2
x+1=6\lor x+1=-6
x=6-1\lor x=-6-1
\boxed{x=5\lor x=-7}
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