ritasopindutch ritasopindutch

04-08-2020
Mathematics

contestada

X^2- 4x- 21 as a product of binominal factors

Respuesta :

wegnerkolmp2741o wegnerkolmp2741o

04-08-2020

Answer:

( x-7) (x+3)

Step-by-step explanation:

X^2- 4x- 21

What two numbers multiply to -21 and add to -4

-7 * 3 = -21

-7+3 = -4

( x-7) (x+3)

Answer Link

Otras preguntas

Evaluate the expression,75m+11n, when m=3 and n= 8.

Question 3 Which type of business offers the best chance for quick decision-making? A)Corporation B)Limited partnership C)General partnership D)Sole proprietor

Identify the axis of symmetry and vertex of f(x) = –2x2 –2x–1. Axis of symmetry: x = – 0.5; Vertex: (– 0.5, – 0.50) Axis of symmetry: x = 0.5; Vertex: (–

Where are taste cells located? A. On surface of tongue B. On papillae C. Moat like trenches surrounding papillae D. Medulla

You are studying a gene that controls ossicone (horn) length in giraffes. The wild-type long-ossicone allele (L) is dominant to the mutant short-ossicone (l) al

Find the product -3x(+8x° +5x+3)

Which of the following occurs in the citric acid cycle? A) Electron carriers will get reduced B) Oxygen is converted into water C) Coenzyme A gets broken down t

In a classic experiment from the 1930s, a biologist conducted selective breeding experiments involving maze-running behavior in rats. He repeatedly bred togethe

Within the global water cycle, water is stored for the shortest amount of time inâ€¦ a. Marine systems b. Lakes and streams c. Ground water aquifers d. Polar ic

Which sentence contains the best example of alliteration?