contestada

Subtract and simplify: (y^2 - 7y - 5) - (-3y^2 + 3y - 4)


A) 4y^2 + 4y - 9
B) 2y^2 - 10y + 4
C) 4y^2 - 10y - 1
D) 2y^2 - 7y - 9

Respuesta :

clarkaw
It is C. It just is. 

jbmow
C is the answer.  y^2+3y^2-7y-3y -5+4.  Combine terms