guppy08
guppy08 guppy08
  • 15-11-2016
  • Mathematics
contestada

factor: 3x^2+2x-21=0

Respuesta :

SugaBear1993
SugaBear1993 SugaBear1993
  • 18-11-2016
(3x-7)(x+3)               

FOIL
3x*x=3x^2
3*3x+-7*x=2x
-7*3=-21
Answer Link

Otras preguntas

Who controls revenue in the roman system
What is the answer to 6-1x0+2÷2? Is it 1? Is it 7? Or is it something else altogether?
vowel sound in rope
Cuneiform was not a complicated writing system, and many Sumerians could write. A. True B. False
A boat is rowed at 8 km/hr directly across a river that flows at 6 km/hr. What is the resultant speed?
What does the Halloween color orange represent? a. The harvest b. The twilight c. The burning of spirits d. The voice of spirits
Fill in the blank: Vampires are compulsive ____________? 1. Gamblers 2. Drinkers 3. Counters 4. Shoppers
How do you spell ‘Sow-en’, the Celtic harvest festival where Halloween originated? A. S-O-W-H-U-A-N B. S-A-H-M-H-E-N C. S-A-M-H-A-I-N D. S-A-R-H-A-R-N
Halloween is the third largest US party day of the year. Which is the second? A. Christmas Day B. Super Bowl Sunday C. Thanksgiving D. New Year’s Eve
How do you explain the human environment interaction in Italy?