a) (11a)²-(9b)²=(11a-9b)(11a+9b)
б) (4x-7y)²
в) (5x)³+(3y)³=(5x+3y)(25x²-15xy+9y²)
1) (11a-9b) · (11a+9b)
2) (4x-7y)²
3) (5x+3y) · (25x²-15xy+9y²)
¯\_(ツ)_/¯
a) (11a)²-(9b)²=(11a-9b)(11a+9b)
б) (4x-7y)²
в) (5x)³+(3y)³=(5x+3y)(25x²-15xy+9y²)
1) (11a-9b) · (11a+9b)
2) (4x-7y)²
3) (5x+3y) · (25x²-15xy+9y²)
¯\_(ツ)_/¯