Sagot :
Answer:
1.(x+4)²
Answer: x²+8x+16
2.(4-5x)²
Answer: 16−40x+25x²
3.(2x-1)²
Answer: 4x²−4x+1
4.(2x-+7)³
Answer: 8x³−84x²+294x−343
5.(3x-2)³
Answer: 27x³−54x²+36x−8
Answer:
1.(x+4)²
Answer: x²+8x+16
2.(4-5x)²
Answer: 16−40x+25x²
3.(2x-1)²
Answer: 4x²−4x+1
4.(2x-+7)³
Answer: 8x³−84x²+294x−343
5.(3x-2)³
Answer: 27x³−54x²+36x−8