Question

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Answer 1

vertex is (2 , -21)

x = -2 +√10

y = (x-3)²+1

Explanation:

x² - 4x - 17

(x² - 4x + 4) - 4 - 17

(x-2)² - 21

vertex is (2 , -21)

2x² +8x = 12

x² + 4x = 6

(x² +4x + 4) - 6 - 4

(x+2)² - 10

x+2 = √10

x = -2 +√10

y = (x-3)²+1