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darjaarapova20
@darjaarapova20
June 2022
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(3x+4)(В квадрате)=4(х+3) помогите срочно пожалуйста
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WhiteNeko
(3x+4)
²=4(x+3)
9x
²+24x+16=4x+12
9x
²+24x+16-4x-12=0
9x
²+20x+4=0
D=20
²-4*9*4=400-144=256
x1=-20+16/18=-4/-18=-2/9
x2=-20-16/18=-36/18=-2
2 votes
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Answers & Comments
9x²+24x+16=4x+12
9x²+24x+16-4x-12=0
9x²+20x+4=0
D=20²-4*9*4=400-144=256
x1=-20+16/18=-4/-18=-2/9
x2=-20-16/18=-36/18=-2