factorise 25p2 - 40pq + 16q2
Answers
Answered by
1
Answer:
25p^2 - 40pq + 16q^2
= ( 5p+ 4q)^2
= (5p+4q)(5p+4q)
Answered by
3
Answer:
(5p-4q)^2
Step-by-step explanation:
25p^2 -20pq-20pq+16q^2
5p(5p-4q) -4q(5p-4q)
(5p-4q) (5p-4q)
(5p-4q)^2
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