2. Factorise the following.
b. a2 – 10a + 25
e. 1 - 4m + m2
a. x2 - 6x + 9
d. 16d2 - 24d + 9
g. 121b2 - 22b + 1
j. p2q2 - 2pq + 1
c. 9p2 - 12p + 4
f. 81y2 - 36y + 4
i. 1/4 - 3n + 912
h. 36 - 12k + k2
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Answer:
b. a2 – 10a + 25= 2a
e. 1 - 4m + m2=0
a. x2 - 6x + 9=(2a_1)
d. 16d2 - 24d + 9=0
g. 121b2 - 22b + 1=0
j. p2q2 - 2pq + 1=0
c. 9p2 - 12p + 4=0
f. 81y2 - 36y + 4=0
i. 1/4 - 3n + 912=0
h. 36 - 12k + k2=0
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