Use the FOIL method: First, Outside, Inside, Last
3x(2x) = 6x²
3x(-4) = -12x
3(2x) = 6x
3(-4) = -12
6x² -12x + 6x-12
Combine like terms
-12x + 6x = -6x
6x² - 6x - 12 is your answer
hope this helps
Step-by-step explanation:
the FH seems to be option b.6.0
........
Answer:
hilghkiii
9514 1404 393
C) 41
The angles of the linear pair are supplementary, so you have ...
(x +16)° +123° = 180°
x = 41 . . . . . . . . . . . . . . divide by °, subtract 139
