👤

C). ( -3a + 2a +4) - (5-a-3a²)d). 6x-(3xy +3x-4x²)-3x+x²+4xy
 va roogg


Răspuns :

c)-a+4-5+a+3a²=3a²-1
d) 6x-3xy-3x+4x²-3x+x²+4xy=5x²+4xy=x(5x+4y)