Answer:

Step-by-step explanation:

<u>Put x = -3</u>

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

Answer:10001.5%+10303990=f(g+2)
Step-by-step explanation:
i dont remeber how to do this cap
Answer:
63 m
Step-by-step explanation:
Perimeter is 276, 2L + 2W = 276, so L + W = 138
L = 75
138 - 75 = W
63 m