davisdarby2
22.01.2020 •
Mathematics
25x2-8x=12x-4
can someone me on this
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Ответ:
x=2/5
Step-by-step explanation:
25x2-8x=12x-4
25x2-8x-12x+4=0
25x2-20x+4=0
25x2-10x-10x+4=0
5x(5x-2)-2(5x-2)=0
(5x-2)(5x-2)=0
5x-2=0 and 5x-2=/
5x=2 and 5x=2
X=2/5
Ответ:
i dont know
Step-by-step explanation: