Factor the polynomial expression x4 + 18x2 + 81
1 answer:
Answer: 
Step-by-step explanation:
Rewrite it in the form
, where 

Use Square of Sum: 

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the answer is 32 because you add 9 plus 7 then you multiply tha th # by 2
Answer:
4/10=1
Step-by-step explanation:
Divide both fractions by 10 and you get 4/10=1
Considering 1.824 (2 being hundredth) it would mean that this is 1.82 <span />
Answer:
54y+78
Step-by-step explanation:
6*3y+ 18y
6*7=42
4*9=36
4*9y=36y
18y+36y+42+36= 54y+78
Answer:
Step-by-step explanation:
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