Question

4. Factorise the following using a suitable identity.
a. r? + 2x + 1
b. 4y2 + 4y + 1
d. 4m2 - 8m + 4
e. p2 - 22pq + 121q?
x? 1
4
h.
9 3 4
- a² - ab + - 6²
16
25
j. 169y2 - 64z2
k. 12m2 - 75
++
25 +​

Answer 1

Answer:

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Step-by-step explanation:

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