camerondoles180 camerondoles180

20-03-2018
Mathematics

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what is the answer to this math problem(7a-1)^2

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andretino78 andretino78

20-03-2018

Rewrite (7a-1)^2 as (7a-1)(7a-1)

Expand (7a-1)(7a-1) using the FOIL Method.

7(7a)+7a*-1-1(7a)-1*-1

Simplify and combine terms.

49a^2-7a-7a+1

Subtract 7a from -7a to get -14a

49a^2-14a+1

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