Answer: 82°
Step-by-step explanation:
Sum of interior angles of a triangle is 180°
Add the two given angles and subtract it from 180 to get the third angle.
180-(45+53) = 82°
Answer:
(x + 2)(x - 2)
Step-by-step explanation:
You recognize that the difference of squares x²-4 can be factored as ...
x² -4 = (x +2)(x -2)
This already contains the factor x+2, so it is the appropriate common denominator.
Answer:
i think correct answer is minus 2 and zero