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Andreas93 [3]
3 years ago
11

Solve.

Mathematics
2 answers:
exis [7]3 years ago
7 0

Answer:

x=−2+3√2

Step-by-step explanation:

x2+4x+4−18=18−18

x2+4x−14=0

For this equation: a=1, b=4, c=-14

1x2+4x+−14=0

x=

−b±√b2−4ac

2a

x=

−(4)±√(4)2−4(1)(−14)

2(1)

x=

−4±√72

2

x=−2+3√2 or x=−2−3√2

kobusy [5.1K]3 years ago
5 0

Answer:

Step-by-step explanation:

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