Answer:
m = 1/2
m = -1
Explanation:
Step 1 - Let y=0.
2m^2-m-3 = 0
Step 2 - Factor
(2m - 3 )( m + 1 ) = 0
Step 3
2m-1 = 0 m +1 = 0
Step 4 - Solve
2m = 1 (divide 2 on both sides) m+1 = 0 (subtract 1 on both sides)
m = 1/2 m = -1