Answer:
-116/21 or -5 11/21
Step-by-step explanation:
Factor the Polynomial by solving x^2 + bx + c = 0.
m^2 - mv - 56v^2
Factor by grouping.
(m−8v)(m+7v).
x^2 + bx + c = 0

2x-y=1 is also equal to y=2x-1 so then plug in 1 or x and so on to create a table