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02/10/2024 15:23:17

Tìm x biết: (x1)(x2+x+1)+x(x+2)(2x)=5, (2x+1)(4x22x+1)8x(x2+2)=1


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Bài 9: Tìm x biết:

1) (x1)(x2+x+1)+x(x+2)(2x)=5

2) (2x+1)(4x22x+1)8x(x2+2)=1

3) (x+1)(x2x+1)x(x2)(x+2)=2

4) (x3)(x2+3x+9)=x(x28)

5) (x1)3(x+3)(x23x+9)+3(x24)=2
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