emmakgr
contestada

Plz urgent (Brainliest)

Factor the expression.
m^2 - 3mn - 28n^2
A. (m+4n) (m-7n)
B. (m-4n) (m+70)
C. (m-2n)(m +14n)
D. (m+2n) (m-14n)

Respuesta :

[tex]\sf\purple{A.\:(m\:+\:4n) \:(m\:-\:7n) }[/tex] ✅

Step-by-step explanation:-

[tex] {m}^{2} - 3mn \: - {28n}^{2} \\ = {m}^{2} + 4mn - 7mn - {28n}^{2} \\ = m \: (m + 4n) - 7n(m + 4n) \\ = (m + 4n)(m - 7n)[/tex]

[tex]\circ \: \: { \underline{ \boxed{ \sf{ \color{green}{Happy\:learning.}}}}}∘[/tex]

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