arianahaines96
arianahaines96
17-02-2022
Mathematics
contestada
If mln, solve for x.
(3x+9)(x+21)
Respuesta :
blickenstaff4218
blickenstaff4218
17-02-2022
(3x+9)+(x+21)=90
4x+30=90
4x=60
60/4=15
X=15
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