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Tim x, biet:
a)(x-3)^3-(x-3)(x^2+3x+9)+9(x-1)^2=15
b)(x^2-2)^2+4(x-1)^2-4(x^2-2)(x-1)=0
Giup minh voi!
Giup em voi a
Giai cac bat phuong trinh sau va bieu dien tap nghiem cua bat phuong trinh tren truc so:
a. 2(3x-1)-2x<2x-1
b. 4x-8≥3(3x-2)+4-2x
c. 3(x-2)(x+2)<3x²+x
d. (x+4)(5x-1)>5x²+16x+2
Phan tich da thuc thanh nhan tu
A^3 +a^2b-a^2c-abc
A^4+a^3-a^2-a
Tim x biet
X^2+5x+6=0
2(x+3)-x^2-3x=0
X^2+4x+3=0
Giup e nhe mn e cam on nhieu ạ lop 8 . e can gấp giup nhé
tim x biet 3x^2-5x+2=0
ai giup minh vs
tim x biet
(3x+2)(2x+9)-(x+2)(6x+1)=x+1-(x-9)
1, (x+1)2-3(x+1)
2, 2x(x-2) - (x-2)2
3, 4x2-20xy+ 25y2
4, x2+3x-x-3
5, x2-xy+x-y
6, 2y(x+2)-3x-6 giai giup em voi ạ
Tim x: 3(x-1)^2 - 3x(x-5)=1 mn giup e voi a <3
tim x biet A= 3x^2 - 5x +1
Tim x biet (3x-1)2-9.(x+2)2=13
