Descompuneți în factori:
a) (4x + 1)²-(2x + 3)²;
d) (2x-5)²-(x + 1)²;
g) (4x-5)2-(2x - 3)²;
a) (5x+3)²-(x + 2)²;
d) 9(x+3)²-16(x+5)²;
g) 9(2x + 5)² - 4(4x+3)²;
b) (3x + 5)²-(x + 1)²;
e) (2x + 5)²-(3x-1)²2;
h) (4x + 1)²-(2x-7)²;
b) 9(x + 1)²-(x + 2)²;
e) 36(x+2)²-25(x-1);
h) 4(5x+3)²-25(x + 2)²;
c) (4x-3)²-(x-2)²;
f) (3x + 5)²-(2x+3)²:
i) (7x+3)²-(5x-2)²
c) 16(x-2)²-(x+3)²;
f) 16(5-x)²-9(2x+3)²;
i) 16(x+5)²-(2x-3)².