Simplify -15+33-12+(-12)

-6

Step-by-step explanation:

1) −15+33−12−12

2) =18−12−12

3) =6−12

4) =−6

answer:   x = 3 + √11     and     x = 3 - √11

step-by-step explanation:

x² - 6x + 9 = 11

(x - 3)² = 11

x - 3 = ±√11

    x = 3 ± √11

x = 3 + √11     and     x = 3 - √11

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