mackenzieculver04
mackenzieculver04
17-05-2021
Mathematics
contestada
Please answer both!!
Respuesta :
jimmel49
jimmel49
17-05-2021
27. 9x^2-24x+16=0
(3x-4)^2=0
3x-4=0
3x=4
x=4/3
28. 9x^2-30x+26=1
9x^2-30x+26-1=0
9x^2-30x+25=0
(3x-5)^2=0
3x-5=0
3x=5
x=5/3
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