Answer:
BiG ChUnGuS moo
Step-by-step explanation:
The perimeter is the sum of all its sides.
That is for all triangles or polygons in general.
Good luck!
M.
2x² - 3x - 20
40
2 20
4 10
5 8
2x² - 8x 5x - 20
2x(x - 4) 5(x - 4)
(2x + 5) (x - 4)
2x + 5 = 0 x - 4 = 0
2x = -5 x = 4
x = -5/2
C) x = -2.5 and 4
