Question

(4m2 + 2m - 7) -- (8m2 -- 4m + 5) =​

Answer 1

Respuesta:

$=-4m^2+6m-12$

Explicación paso a paso:

$\left(4m^2+2m-7\right)-\left(8m^2-4m+5\right)\\\\=4m^2+2m-7-\left(8m^2-4m+5\right)\\\\=4m^2+2m-7-\left(8m^2-4m+5\right)\\\\=-4m^2+6m-12$

espero que te ayude

#yoaprendi