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:
please I don't know
Step-by-step explanation:
please I don't know
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It is 15 because 5 times 3 is 15