factorise 25(x+3y)² -16(x-3y)²
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Answered by
1
Answer:
2
5
(
+
3
)
2
−
1
6
(
−
3
)
2
2
5
(
+
3
)
(
+
3
)
−
1
6
(
−
3
)
2
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