Alakbar26 Alakbar26

15-09-2021
Mathematics

contestada

Identify the factors of x2 − 4x − 21. (x − 7)(x + 3) (x + 7)(x − 3) (x + 21)(x − 1) (x − 21)(x + 1)

Respuesta :

Аноним Аноним

15-09-2021

x^2-4x-21

= x^2-7x+3x-21

= x(x-7)+3(x-7)

= (x-7)(x+3)

The factor of x^2-4x-21 is (x-7)(x+3).

Answer Link

Otras preguntas

Which two statements accurately describe the early history of lyric poetry? A.Lyric poetry was first composed in ancient Greece using the lyre. B.The ancient Ro

Solve for n: 21k – 3n + 9p > 3p + 12. A.n > 2p + 7k - 4 B.n < 2p + 7k - 4 C. n > -4p - 7k + 4 D. n < -4p - 7k + 4

40,000 is 10 times as much as

HELP URGENTWhich best describes the underlined words in this sentence? I am looking forward to the trip to the museum next week. -----------------------------

one gallon is equal to how many cups

climatology is a subspecialty of

What times what equals 92

Why do negative reciprocals always have a product of -1?

between what pair of numbers is the product of 289 and seven

a bottle of cologne comes in a cube shaped box that has a volume of 64 cubic inches what is the length of one side of the box