sosokat35 sosokat35
  • 19-11-2020
  • Mathematics
contestada

Math!! Pls help

Which expression is equivalent to x^2 - 4x -45

Math Pls help Which expression is equivalent to x2 4x 45 class=

Respuesta :

Izzy1974
Izzy1974 Izzy1974
  • 19-11-2020

Answer:

D

Step-by-step explanation:

x^2-4x-45

(x-9)(x+5)

What two numbers when multiplied make the -45 and when added make the -4?  -9 and +5

Answer Link

Otras preguntas

Why did the United States support Panama’s revolt and independence from Colombia? A. To prevent British and French expansion in the region . B. To justify the
Determine weather the following actions are harmful to the environment or help to conserve the environment.
Please solve Part A and B in the picture
Which of the following laws concerning gases is misstated? a. In a mixture of gases, the total pressure of the gases equals the sum of the individual pressures
Consider two objects (Object 1 and Object 2) moving in the same direction on a frictionless surface. Object 1 moves with speed v1 = v and has mass m1 = 2m. Obje
Yearbooks are very difficult to make
What is Queen Elizabeth's effect on European thought? Plz hurry!!! 15 points!!!
Avery's yard has an area of 5/4 acres, and Logan's yard has an area of 3/2 acres. What is the ratio of the area of Avery's yard to the area of Logan's yard? plz
Which sentence BEST expresses the meaning of "Pears"? PLEASE HELP!!!
Which is an example of a nonaqueous solution? a. gasoline b. fog c. mayonnaise d. fruit juice