Ответ:
530.
1) (3x+4)² = 9x²+24x+16
2) (6a+4)² = 36a²+38a+16
3) (5y+4)² = 25y²+40y+16
4) (2x+5)² = 4x²+20x+25
531.
1) (2x+3y)² = 4x²+12xy+9y²
2) (7a+5c)² = 49a²+70ac+25c²
3) (3d+8c)² = 9d²+48dc+64c²
4) (9x+2b)² = 81x²+36xb+4b²
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Answers & Comments
Ответ:
530.
1) (3x+4)² = 9x²+24x+16
2) (6a+4)² = 36a²+38a+16
3) (5y+4)² = 25y²+40y+16
4) (2x+5)² = 4x²+20x+25
531.
1) (2x+3y)² = 4x²+12xy+9y²
2) (7a+5c)² = 49a²+70ac+25c²
3) (3d+8c)² = 9d²+48dc+64c²
4) (9x+2b)² = 81x²+36xb+4b²