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dimulka [17.4K]
2 years ago
5

How do I solve this equation and check all the solutions?

Mathematics
2 answers:
mash [69]2 years ago
6 0

Answer:

10

Step-by-step explanation:

x-√2x-5=5

-√2x-5=5-x

√2x-5=-5+x

2x-5=x²-10x+25

2x-5-x²+10x-25=0

12x-20-x²=0

-x²+12x-20=0

x²-12x+20=0

x=10

Note: there is a another answer x=2 but the equality will be false if x=2 so the answer is 10

Eddi Din [679]2 years ago
5 0
The answer I got was: x = 0,2

Hope this helps! ;)
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