(5m+3n)(5m-3n) expansion formulae
Answers
Answered by
19
Answer:
25m² - 9n²...
formulae of a²-b²=(a+b) (a-b)
Hope it help✌✌
Answered by
2
Answer:
(a+b)(a-b)=a2 -b2
25m2 -9n2
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