Answer:
w= 1/2, -5
Step-by-step explanation:
(2w-1)(w+5)=0
w=1/2
w=-5
w = - 1/2 or w = 5
2w^2 - 9w = 5
2w^2 - 9w - 5 = 0
2w 1
1w -5
2 x -5 = -10 and 1 x 1 = 1
-10 +1 = -9 and -5 x 1 = -5
(2w + 1) (w - 5)
2w + 1 = 0
w = -1/2
w - 5 = 0
w = 5
