👤
Answered

what is the roots of this polynomial equation:
1.x²-8x-20=0
2.x²-7x+10=0
3.x²+x-72=0
4.x³-2x+4x-8=0
5.x³-x²-10x-8=0​

Sagot :

Riasibayan14go

Step-by-step explanation:

1.x1=-2,x2=10

2.x1=2,x2=5

3.x1=-9,x2=8

4.

5.x1=-2,x2=-7,x3=4

Domaumaruchan69go

Answer:

  • the roots of the polynomial x²– 8x – 20= 0 are – 2 and 10.

  • the roots of the polynomial x² – 7x + 10 = 0 are 2 and 5

  • the roots of the polynomial x²– 2x + 4x – 8 = 0 are – 9 and 8

  • the roots of the polynomial x³ – 2x + 4x – 8 = 0 are _____________.

  • the roots of the polynomial x³ – x² – 10x – 8 = 0 are – 2, – 1 and 4

: hope it helps ^_^

: ᜉᜇᜌᜓᜈ᜔!

Go Training: Other Questions