Okay so all you do for this one is add the two angles already inside the triangle, (so 69+66 which equals 135) then subtract 135 from 180, which equals 45.
So x would be 45 degrees
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X^2 + 3x - 2 - (2x^2 - x + 6) =
x^2 + 3x - 2 - 2x^2 + x - 6 =
-x^2 + 4x - 8 <===
Answer:
C) x=2 and x= -14
Step-by-step explanation:
|x + 6| = 8
means
x + 6 = 8 or x + 6 = -8
x + 6 = 8
x = 2
x + 6 = -8
x = -14