lanasalt1517
lanasalt1517
15-12-2017
Mathematics
contestada
Solve the following equation: r2+6r=27
Respuesta :
lanihutley
lanihutley
15-12-2017
2r+6r=27
8r=27
*divide both side by 8
r=3.75
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jorel1380
jorel1380
15-12-2017
r²+6r=27
r²+6r+9=27+9
(r+3)²=36
r+3=±6
r=3, -9
☺☺☺☺
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