3 years ago

Solve x2 = 12x - 15 by completing the square. Which is the solution set of the equation?

Mathematics

1 answer:

Novosadov [1.4K]3 years ago

8 0

Answer:

(6-√21, 6+√21)

Step-by-step explanation:

x^2 - 12x = -15

(x - 6)^2 - 36 = -15

(x - 6)^2 = 21

x - 6 = ± √21

x = 6 ± √21

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3 years ago

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