PTĐTTNT:
a) x^3+4x^2-29x+24
b) x^6+3x^5+4x^4+4x^3+4x^2+3x+1
c)x^12+1
1) 2x2+8x+7
2)2x2-5x-12
3)4x3-2x-4
4)x4+x+1
5)x7+x+1
m.n giúp mjk vs ạ, thanks( PTĐTTNT)
PTĐTTNT :
9-16(x-1)^2
PTĐTTNT bằng 3 cách
a)x^2+7x+12
b)3x^2-5x+2
c)x^2+9x-10
d)x^2-7x-8
e)2x^2+3x-5
PTĐTTNT :
`-(x+2)+3(x^2-4)`
x ³ + y ³ -2(x ² - y ²)
ptđttnt
PTĐTTNT :
x^2-(m+n)x+mn
PTĐTTNT : x^3 - x^2 - 7x + 15