How to check if a binomial is a difference of squares ?
1 answer:
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Answer:
y = - 8
Step-by-step explanation:
y - 16 - 3y = 0
Group like terms
y - 3y - 16 = 0
Add similar elements: y - 3y = - 2y
- 2y - 16 = 0
Add 16 to both sides
- 2y - 16 + 16 = 0 + 16
Simplify
- 2y = 16
Divide both sides by - 2
=
Simplify : y
Apply the fraction rule:
=
Divide the numbers:
= y
Simplify : - 8
Apply the fraction rule:
Divide the numbers: = 8
= - 8
y = - 8
Answer:
Since , you have the following arrangements.
Optional: (and it's mirror version
, if you want to consider a long strip of bottles a rectangle. Technically it is, but it's open to interpretation.
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Optional: . Since a square is a rectangle with extra limitations.