Question

Si :m²+m=30 calcula E=(m+5) (m-4)+10 ​

Answer 1

Respuesta:

Explicación paso a paso:

m^2 + m = 30

E = (m +5)(m - 4) + 10

E = m • m + (+5 - 4)m + (+5)(- 4) + 10

E = m^2 + m - 20 + 10

E = 30 - 20 + 10

E = 10 + 10

E = 20