x(x^2 - 1/16) =0
x(x+1/4)(x-1/4)=0
...............(tự làm tiếp)
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x(x^2 - 1/16) =0
x(x+1/4)(x-1/4)=0
...............(tự làm tiếp)
tìm x :
16x3-16x4+4x-8x2-1=0
1.Tìm x
a/ x^3 - 16x = 0
b/x^2 - 6x + 9 = 0
1.tìm x:
a.7x^2-16x=2x^3-56
b.x^7+x^3+2x^5+2x=0
c.(2x+1)x-5(x+1/2)=0
tìm x. 5x(x-1)=x-1. X^3-16x=0
1) x(x-5)-4x+20=0
2) 3(x+1)+x(x+1)
3) 2x^3+x=0
4) x^3-16x=0
5) x^2+6x=-9
6) x^4-2x^3+10x^2-20x=0
7) (2x-3)^2=(x+5)^2
giải phương trình sau
1/ ( x-5)^2 +3(x-5) =0
2/ ( x^2-9) +2 (x-3) =0
3/ ( 2x+1)^2+(x-1)(2x+1)=0
4/ (x-1) (x+3) +( x+3)^2=0
5/ ( x+5)^2 -16x^2 =0
6/ x^3-2x^2-x+2=0
tìm x: x^3-6x^2+12x-8=0
b)16x^2-9(x+1)^2+0
c)-27+27x-9x^2+x^3=0
d)x^2-6x+5=0