rlovelace937 rlovelace937

04-03-2020
Mathematics

contestada

Select all expressions that are equivalent to (2n+6)(n+3)

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miljanamilovanovic12 miljanamilovanovic12

04-03-2020

Answer:

(2n+6)(n+3)=

(2*n+2*3)(n+3)=

2(n+3)(n+3)=.....(1)

2(n+3)^2=....(2)

2(n^2+2*n*3+3^2) =

2(n^2+6n+9)=....(3)

2n^2+2*6n+2*9=

2n^2+12n+18.... (4)

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