lilshorty7347 lilshorty7347

23-04-2020
Mathematics

contestada

Factor completely 2x2 − 2x − 40
A. 2(x − 5)(x + 4)
B. (2x − 10)(x + 4)
C. (x − 5)(2x + 8)
D. 2(x − 4)(x + 5)

Respuesta :

wegnerkolmp2741o wegnerkolmp2741o

23-04-2020

Answer:

2(x-5)(x+4)

Step-by-step explanation:

2x^2 − 2x − 40

Factor out a 2

2(x^2 -x -20)

What 2 numbers multiply to -20 and add to -1

-5*4 = -20

-5+4 = -1

2(x-5)(x+4)

Answer Link

Otras preguntas

Frustum Question work out the bottom bit of the cone.

Shawna can pick 4 1/2 quarts of strawberries in 3/4 hours. Based on this rate, how many strawberries can she pick in 1/4 hour

In 1901, Thomas Edison invented the nickel-iron battery. The following reaction takes place in the battery. Fe(s) + 2 NiO(OH)(s) + 2 H2O(l) Fe(OH)2(s) + 2 Ni(

what was the purpose of Carlisle school?

FILLING —Put half a pint of milk into a double-boiler, and place on the stove. Beat together until very light one level tablespoonful of flour, half a cupful of

In what chapter of their eyes were watching god talks about class/rich people

What is the solution to the system of equations below? 2x + y - z = 5 x + 3z = 14 -2x - 3y + 2z = 2

During the process of ______ , a molecule such as glucose must use a protein channel to cross through a cell membrane.

How did France cabot Lowell begin to transform the role of women in the United States

compare this plx help me soon