Simplify (11-a)^2

Math
(11-a)2
Rewrite (11-a)2 as (11-a)(11-a).
(11-a)(11-a)
Expand (11-a)(11-a) using the FOIL Method.
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Apply the distributive property.
11(11-a)-a(11-a)
Apply the distributive property.
11⋅11+11(-a)-a(11-a)
Apply the distributive property.
11⋅11+11(-a)-a⋅11-a(-a)
11⋅11+11(-a)-a⋅11-a(-a)
Simplify and combine like terms.
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Simplify each term.
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Multiply 11 by 11.
121+11(-a)-a⋅11-a(-a)
Multiply -1 by 11.
121-11a-a⋅11-a(-a)
Multiply 11 by -1.
121-11a-11a-a(-a)
Multiply a by a.
121-11a-11a-1⋅-1a2
Multiply -1 by -1.
121-11a-11a+1a2
Multiply a2 by 1.
121-11a-11a+a2
121-11a-11a+a2
Subtract 11a from -11a.
121-22a+a2
121-22a+a2
Simplify (11-a)^2

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