Answer:
=(5x2+3x+4) + (5x2+5x-1)
=(5x2+5x2)+ (3x+5x) + (4-1)
=(10x2)+(8x)+(3)
=10x2+8x+3
so C would be the answe
Step-by-step explanation:
Answer:
C) [tex]10x^{2}+8x+3[/tex]
Step-by-step explanation:
=(5x2+3x+4) + (5x2+5x-1)
=(5x2+5x2)+ (3x+5x) + (4-1)
=(10x2)+(8x)+(3)
=10x2+8x+3
