3 years ago

Factor completely 2x^2 − 2x − 40. 2(x − 5)(x 4) (2x − 10)(x 4) (x − 5)(2x 8) 2(x − 4)(x 5)

Mathematics

1 answer:

Zina [86]3 years ago

3 0

2x^2 - 2x - 40 = 2x^2 -10x + 8x - 40 = 2x(x - 5) + 8(x - 5)

= (x-5)(2x+8) = 2(x-5)(x+4)

You might be interested in

Make d the subject of h = d/3 + 2

Bumek [7]

Answer:

D=3(h-2)

Step-by-step explanation:

h=d/3+2

h-2=d/3+2-2

h-2=d/3

3(h-2)=d/3x3

3(h-2)=d

6 0

2 years ago

HELP HELP HELP HELP HELP FAST PLEASE HELP

NARA [144]

Answer:

5/2 Hope this helped

Step-by-step explanation:

6 0

3 years ago

Read 2 more answers

The number of bacteria, b, in a refrigerated food is given by the function b(t) = 15t2 − 60t + 125, where t is the temperature o

KonstantinChe [14]

Its an undefined value...

5 0

2 years ago

Mr. Brown chooses a fiction book at random from a list of books and then chooses a second fiction book from those remaining.

fgiga [73]

Independent would be when Mr. Brown chooses a fiction boom at random from a list of books.

Dependent would be when Mr.Brown then chooses a second fiction. book from those remaining.

5 0

2 years ago

Read 2 more answers

Find the zero of the function f(x) = -8x + 4.<br> NEED HELP FAST DONT HAVE MUCH TIME

Paladinen [302]

Answer:

1/2

Step-by-step explanation:

5 0

2 years ago