Answer:
5(n-4)(n+4)
Step-by-step explanation:
given that
5n²-80
first we take common factor.
5(n²-16)
now we use the sum product pattern
5(n²+4n-4n-16)
We take common factor from pairs
5(n(n+4)-4(n+4))
5(n+4)(n-4).
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Answer:
4
Step-by-step explanation:
Using the rule of radicals
×
⇔ 
Given

= 
=
× 
= 4
← in simplest form
Answer:
23 x 15 = 1223 = answer
Step-by-step explanation:
hope this helps