A) (x + 8) . ( x – 8) = b) (6 - y) . ( 6 + y) =
c) (12 + a) . ( 12 – a) =
d) (3x + 5) . (3x – 5) =
e) (4 – 6y) . ( 4 + 6y) =
f) (3a - 12) . ( 3a + 12) =
g) (5x + 1) . ( 5x – 1) =
h) (4z + 8y) . (4z – 8y
i) (2x - 6)² =

j) (6 – 4y)² =

k) (5b - 7)² =

l) (3 – 6c)² =

m) (4d – 2y)² =

n) (3 – 8y)² =

o) (9z– 2)² =

p) (4- 5k)² =
q) (4x +1)² =

r) (2c + 3)² =

s) (4 + 2x)² =

t) (8x + 5)² =

u) (7 + 6x)² =

v) (5x + 9)² =

x) (4x + 8y)² =

w) (3 + 12y)² =