Question 4
Factor the given expressions using identity:
(i) p2 + 6p +9
(ii) 4z2 - 4z + 1
Answers
Answered by
2
Step-by-step explanation:
(i) p2 +6p +9
=(a² +b²) =a²+b²+2ab
=(2p)²+ (6p)²+ 2×2p×6p
=4p²+36p²+ 24p²
=2p² +36p²
(ii)(a-b)²=a²-2ab+b²
=4z and 1 is square of what so.
=(2z-1)²
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