Rewrite
(7x−3)²as (7x−3)(7x−3).(7x−3)(7x−3)
Expand
(7x−3)(7x−3)
using the FOIL Method.
7x(7x)+7x⋅−3−3(7x−3⋅−3)
Simplify and combine like terms.
49x2−42x+9
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Answers & Comments
Rewrite
(7x−3)²as (7x−3)(7x−3).(7x−3)(7x−3)
Expand
(7x−3)(7x−3)
using the FOIL Method.
7x(7x)+7x⋅−3−3(7x−3⋅−3)
Simplify and combine like terms.
49x2−42x+9