6. Factorize.
(a) p^2 - 81
Answers
Answered by
1
Answer:
p^2-81
=p^2-9^2
=(p+9)(p-9)
Answered by
1
Answer:
P^2-81=0
P^2=81
P= +9 or -9
Factors: (P+9) and (P-9)
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