# F.2Maths!!!!!!!!!!!40p!!!!!!

5. Factorize the following expressions.
(a) 36a^2− 9
(b) 27 − 12b2
(c) 2s2− 50t2 (d) 180u2− 20v2
6. Factorize the following expressions.
(a) 245a2
+ 210ab + 45b2
(b) 72a2
+ 168ab + 98b2
(c) 81a2
+ 36b2
+ 108ab
(d) 44a2
+ 99b2
+ 132ab
7. Factorize the following...
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5. Factorize the following expressions.

(a) 36a^2− 9

(b) 27 − 12b2

(c) 2s2− 50t2 (d) 180u2− 20v2

6. Factorize the following expressions.

(a) 245a2

+ 210ab + 45b2

(b) 72a2

+ 168ab + 98b2

(c) 81a2

+ 36b2

+ 108ab

(d) 44a2

+ 99b2

+ 132ab

7. Factorize the following expressions.

(a) 28a2

− 140ab + 175b2

(b) 45a2

− 120ab + 80b2

(c) 2x2

+ 2y2

− 4xy

(d) 12x2

+ 3y2

− 12xy

8. Factorize the following expressions.

(a) (x − y)2

− 25

(b) 64 − (a + b)2

(c) x^2

− (2x + 5y)^2 (d) 9p^2

− (4p − 5q)^2

(a) 36a^2− 9

(b) 27 − 12b2

(c) 2s2− 50t2 (d) 180u2− 20v2

6. Factorize the following expressions.

(a) 245a2

+ 210ab + 45b2

(b) 72a2

+ 168ab + 98b2

(c) 81a2

+ 36b2

+ 108ab

(d) 44a2

+ 99b2

+ 132ab

7. Factorize the following expressions.

(a) 28a2

− 140ab + 175b2

(b) 45a2

− 120ab + 80b2

(c) 2x2

+ 2y2

− 4xy

(d) 12x2

+ 3y2

− 12xy

8. Factorize the following expressions.

(a) (x − y)2

− 25

(b) 64 − (a + b)2

(c) x^2

− (2x + 5y)^2 (d) 9p^2

− (4p − 5q)^2

Update:
唔駛做NO.8

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