What expression is equivalent to -0.2 - 4.9?

A

Step-by-step explanation:

Adding a negative is the same as subtracting a positive

Keep Change Change

ex. -9.2 - 6.7 = -9.2 + -6.7

    Keep    Change     Change

   -9.2           +              -6.7

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