feliciamaishakujo feliciamaishakujo
  • 03-09-2020
  • Mathematics
contestada

Which is a factor of 5x2 − 15x − 20?

Respuesta :

julie005
julie005 julie005
  • 06-09-2020

Answer:

x= -1, x=4

Step-by-step explanation:

5x²-15x-20

5x²-20x+5x-20=0

5x(x-4) +5(x-4)

(5x+5) (x-4) =0

5x=-5 or x=4

x= -5/5. or x=4

x= -1 or x=4

Answer Link

Otras preguntas

How was Martin Luther King a significant figure in the Civil Rights Movement?
You begin solving the equation 4 – 5x = 59 by subtracting 4 from both sides. Which is the best choice for Step 2?
Who established a school for navigation?
The density of ice is 0.92 g/cm3. An ice sculptor orders a one cubic meter block of ice. What is the mass of the block? Hint: 1 m3 = 1,000,000 cm3. Give your an
What was significant about the new habitats Darwin visited?
2*10^30/1.4*10^27 and round it to the nearest tenth
Why is carbon unique among the elements?????
I would like to know if 1 km is greater or less then 999 m
How do you divide. Please help I can't remember.
To make curtains for a living room window for a customer, you will need three pieces of fabric in the following lengths: 3 feet, 3 feet, and 5 feet. What is th