\(2x+3=5\)
\(\Rightarrow2x=2\)
\(\Rightarrow x=1\)
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giúp cần gấp tối nay, xong trước 7h tối
1)Gpt: 2x3 + x + 3 =0
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3)Gpt: 23 -9x + 2 = 0
4)Gpt: x3 - 42 + 7x - 6 = 0
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Gpt: \(|2x-1|+|2x-5|=4\)
gpt :
a.2x^2+y^2+z^2=xy+yz+zx
b.2x^2+2y^2+z^2+2xy+2yz+2zx+2x+4y+5=0
c,x^6-2x^3+x^2-2x+2=0
GPT: x(x+2)(x^2+2x+5)=6
gpt
2x^2+y^2+z^2=xy+yz+zx
2x^2+2y^2+z^2+2xy+2yz+2zx+2x+4y+5=0
x^6-2x^3+x^2-2x+2=0
GPT: (2x + 1)(x + 1)2(2x + 3) = 18
GPT: x^3+(x-1)^3=(2x-1)^3
GPT : x4 +2x3-2x2+2x-3=0
GPT: 2x+3/x+1 - 6/x=2