X?-1
m? - 36
a²-16h
XERCISE 7
Factorise the following:
(1)
(2)
x² - 4...
Mathematics, 22.05.2021 22:40 nakeytrag
X?-1
m? - 36
a²-16h
XERCISE 7
Factorise the following:
(1)
(2)
x² - 4
(3)
p2-25
(5)
(6)
4.r? - 1
(7) 16.r? - 9 (8) 8172-16
(9)
49n2-121
(10) 100d -169 (11) r2-4y2 (12) 1662 -25c
(13) x4 - 9 (14)
xt - 16
(15)ų a*-81 (16) a²6² – 4ch
:) Factorise the following:
(1)
4x² - 4
(2) 8y2 - 2 (3) 2.r? -50
3p? - 27
(5) 5n2-20 (6) 100m -25 (7V 4x2-16
4.x2 - 64
(9) 12.x?y - 27y (10) 75a² - 1262 (11) -36x (12) r? - 4x4
(13) 3ppq-489' (14) 2ar" - 500 (15)/ 3.xy-243y (16) -x+4
(17)
(18)
(19)/ -25r? +4
(20)
-2p+98
(21) -3n+3n (22) –85° +32b (23) -7a%b2+28 (24) -20%b? +18
(25) (x - y)2-1 (26) (a-b) - 9 (27) 40m - 2n) - 25
actorising trinomial expressions
(8)
-X2 +16
–9x² + 1
Answers: 3
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