1. (5+x)²= 25 +10x+x²
2. (1-3х)²= 1 - 6х + 9х²
3. (3a-8b)²= 9а²- 48ab + 64b²
4. (х²+4)²= x⁴+ 8x²+ 16
5. 16+8a+a²= (4+a)²
6. 9x²-12xy+4y²= (3x- 2y)²
1. (5+x)²= 25 +10x+x²
2. (1-3х)²= 1 - 6х + 9х²
3. (3a-8b)²= 9а²- 48ab + 64b²
4. (х²+4)²= x⁴+ 8x²+ 16
5. 16+8a+a²= (4+a)²
6. 9x²-12xy+4y²= (3x- 2y)²