contestada

f(x) = 3 x² + 5 x - 7 and g(x) = x² + 8 x + 10
Asked=
a. f(x) + g(x)=
b. f(x) - g(x)

f(x) = 2x + 5 , g(x) = x - 1
asked=
f(x) • g(x)

Please help..​

Respuesta :

[tex]f(x) + g(x) \\ 3x {}^{2} + 5x - 7 + x {}^{2} + 8x + 10 \\ 4x {}^{2} + 13x + 3[/tex]