(7√a-5√b)(7√a+5√b)
simplify and say the identity
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Answered by
0
Answer:
determine a and b .......,..........
Answered by
3
Answer:
49a-25b
Step-by-step explanation:
(7√a-5√b)(7√a+5√b)
(a-b)(a+b)=a²-b² a=7√a b=5√b
a²-b²= (7√a)²-(5√b) ²
= 49a-25b
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