nt2004

nt2004

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ANSWERS

Published4

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Algebra4
Answer: thay y=7x+3 vào pt dưới ta được x-7x-3=3 -6x=6 x=-1 thay x=-1 vào pt đ...
Answer: 3x-3x=0 2y-4y=-2y -1-7=-8 =>-2y=-8 =>y=4 thay y=4 vào pt đầu tiê...
Answer: Step-by-step explanation:1:x2+x+3x+3 2:2x2+x-8x-4 3:9x2+12x+4
Answer: Step-by-step explanation: 1:(x+2)x(x+5) 2:(x+1)x(x+1) 3:(x-6)x(x+3) 4:...

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