a)5(3x+2)=4x+1 b)x4+x3+x+1=0 c)3 phần 4(x-5)+15 phần 50-2×2 = -7 phần 6(x+5)
Question
a)5(3x+2)=4x+1
b)x4+x3+x+1=0
c)3 phần 4(x-5)+15 phần 50-2x2 = -7 phần 6(x+5)
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