Question

Resolver a função quadratica f(x)=x2-8x+15

Answer 1

Oi Jackeline

x² - 8x + 15 = 0

x² - 8x = -15
x² - 8x + 16 = -15 + 16

(x - 4)² = 1

x - 4 = 1
x1 = 5

x - 4 = -1
x2 = 3

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