I hope i dont any mistake :p tell me if u dont understand :)
Answer:
Umm I'm not sure is it 25...
Step-by-step explanation:
The middle number is 0 and the last is -81Factoring means we want something like(b+_)(b+_)We need two numbers that add together to get and Multiply to get -81which are 9 and -9:<span><span>9+-9 = 0 and </span><span>9*-9 = -81</span></span>
Fill in the blanks in
(b+_)(b+_)
with 9 and -9 to get...<span><span>(<span>b+9</span>)</span><span>(<span>b−9</span>)</span></span>
The answer is : (b+9)(b−9)
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I showed my work and answer in this picture. When simplifying square roots you can split them into a perfect squares root time the remainders
