1/dạng a2-b2
2/gán x=1000
3/// // x=1000
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Phan tich da thuc thanh nhan tu
1) (2x+1)^2 - (x-1)^2
2) 9(x+3)^2 - 4(x-2)^2
3) 25(2x - y) ^2 - 16(x+2y)^2
4) x^4 + x^3 +x + 1
5) x^3 + 3x^2 + 3x + 1 -8y^3
phan tich thanh nhan tu
a) x2+4y2+4xy
b) (x+y)2-(x-y)2
c) (3x+1)2-(x+1)2
d) x6-y6
e) x3+y3+z3-3xyz
xin may ban giup cho m
1.Phan tich da thuc thanh nhan tu
A.(x^2-2x)(x^2-2x-1)-6
B.x^3-2x-1
2.Rut gon roi tinh gia tri bieu thuc khi x=2
1/x^2+x + 1/x^2+3x+2 + 1/x^2+5x+6 + 1/ x^2+7x+12
phan tich thanh nhan tu
a, -3x^2-12x-12
b, 4a^2-x^2-2x-1
c, 1-2m+m^2-x^2-4x-4
d, x^2(a+b)m-2xy(a-b)+ay^2-by^2
phan tich da thuc thanh nhan tu
x^4+x^3+2x^2+x+1
phan tich da thuc thanh nhan tu 2x(x + 3) + 2(x + 3)
tìm x
a) 5x(x – 2) – x – 2 = 0
b) 4x(x + 1) = 8( x + 1)
c) x(2x + 1) + 1/2 x 3/3 - = 0
d) x(x – 4) + (x – 4)^2 = 0
Bai 1 Phan tich da thuc thanh nhan tu
x^3 + 3x- 3xy- 3y
Bai 2 Tim x
( 2x - 1) ( 2x + 1) - 4 ( x ^2 +x ) = 16
cac bn lam on giup mink di ma
Phan tich da thuc thanh nhan tu (1+2x)(1-2x)-x(x+2)(x-2)
Cach phan tich da thuc thanh nhan tu
a)X^3+2X^2+2X+1
b)X^3-4X^2+12X-27
c)a^6-a^4+2a^3+2a^2
d)x^4+2x^3+2x^2+2x+1
e)x^5+x^4+x^3+x^2+x+1