Các câu hỏi tương tự
giup to 3 bai nay
1. gia tri x lon nhat thoa man : x2(5x-20)=15x
2 gia tri x >0 de -3x4+12x2+1 dat gia tri lon nhat
3. tap hop cac gia tri cua x thoa man : x4+x3+2x-4=0
1. gia tri x >1 thoa man (9x-7)2=(5-2x)2
2.tong binh phuong tat ca cac gia tri x thoa man : 2(x+5)=x2+5x
3. gia tri cua x3+y3 biet x+y=2 va x2+y2=20
1. tong binh phuong tat ca cac gia tri cua x thoa man 2(x+5)=x2+5x
2.cho x khac y thoa man : x2y-xy2+x3-y3=0 khi do a x=-2y b.x=-y
c.2x=y d. x=2y
3 tap hop cac gia tri cua x thoa man (3x+2)2=(x+5)2
1 gia tri nho nhat cua x4+x2-5.42
2.biet (x0;y0) thoa man x2+y2-4(x-y-2)=0
3. tap hop cac gia tri cua x thoa man (3x+2)2=(x+5)2
giai chi tiet giup minh may bai nay nha
1 gia tri x>0 thoa man
(2x-3)2=(x+5)2
2 gia tri lon nhat cua -3x2-6x-4
3 tim gia tri cua x+y biet
x-y=2 ; x*y=99 va y <0
4 nghiem cua phuong trinh
(2x-3)2-4x2-297=0
im x,y thoa man: 2x^t2+4y^2-15xy-12x+45y-24=0 va x^2-2y^2-3x+3y+xy=0
1.tong binh phuong tat ca cac gia tri x thoa man : 2(x+5)=x2+5x
2. gia tri cua x3+y3 biet x+y=2 va x2+y2=20
1. tich cac gia tri x thoa man \(x^2-\frac{1}{10}x-\frac{1}{5}=0\)
2.phan nguyen cua x biet x =8,295
3.tich x.y biet x+y=-0.57 va 2x=-3y
1.gia tri x lon nhat thoa man x+\(\sqrt{3}\)+3x2-9=0
2.gia tri cua y-x biet x-y=6 ;x=3y
3.tỉ số\(\frac{x+y}{x-y}\) biết x=3,6va y=7,2