x^15-x^2=0
x^13+2-x^2+0
x^2.(x^13-1)=0
x^2=0
x^13-1=0
x=0
x^13=1
x=0
x=1
vậy x=1và 0 bạn nhé
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| 2 - x | - | x + 9 | = 15
Tim x
1,tim x
x:25
2,tim M
15:(m+2)
tim x biet
2.x-15=4.x+25
tim x thuoc Z thoa man : (x^2 - 20)(x^2-15)(x^2 - 10)(x^2 - 5 )<0
cau 1.tim x
a)15-|x-4|=6
b)-30+|25-x|=-1
c)x-(12-25)=-8
d) (x-29)-(17-38)=-9
cau 2.tim so nguyen x
a,22-(-x)=12
b,(x+5)+(x-9)=x+2
c,(27-x)+(15+x)=x-24
Tim x biet : 29 - [ 3 ( x - 2 ) + 15 = 2
1 tim min
A=/X5-32/-17
B=/X-9/-X+15
C=/X-5/+X-3
2 tim max
D=17-/ /X/-2 /
tim x cau 1: |x-2|=10
cau 2:15-x^2=-21 cau 3: x.(x+7)=0
tim x
2 x X - ( 23 + x) = 65
4 x X - 5 = 3 . x +15