Pasagot nito 12 points to bawal dito ang : incorrect/incomplete/nonsense/unhelpful = REPORT good luck :l

Answer:
A.
1.256
2.4a³
3.x⁷
4.m¹⁴
5.c³
B.
1.x³
2.x²+8x+15
3.3x⁴+x³-8x²+4x
4.4a³
5.28x³yz²