Answer:
a) 7x-49/3x+33
Step-by-step explanation:
4x+8/x²+3x+2 × x²-6x-7/3x+33 + x²-49/x²+11x+7x+77 =Collect like terms
4(x+2)/x²+2x+x+2 × x²+x-7x-7/3x+33 + (x-7)×(x-7)/x²+18x+77= Factor
4 × x-7/3x+33 + (x-7)×(x+7)/(x+11)×(x+7) + More fatoring
7x-49/3x+33