3 years ago

Please, someone help?

Mathematics

1 answer:

anzhelika [568]3 years ago

4 0

Answer:

x = -5 + $\sqrt{26}$

Step-by-step explanation:

f(x) = x² + 10x - 1

x² + 10x = 1

x² + 10x + 25 = 1 + 25

(x + 5)² = 26

take the square root of each side to get:

x + 5 = √26

x = √26 - 5 or -5 + √26

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Please, someone help? ​

Please, someone help?