lracerict909 lracerict909

04-02-2021
Mathematics

contestada

Which expression is equivalent to 4x2 – 49?
A). (2x – 7)2
B). (x + 7)(4x – 7)
C). (2x + 7)(2x – 7)
D). (2x + 7)2

Respuesta :

PiaDeveau PiaDeveau

09-02-2021

Answer:

(2x + 7)(2x - 7)

Step-by-step explanation:

Given:

4x² - 49

Find:

Factories

Computation:

4x² - 49

Using Identity

⇒ a² - b² = (a + b)(a - b)

⇒ 4x² - 49

⇒ (2x)² - (7)²

(2x + 7)(2x - 7)

Answer Link

Otras preguntas

All Bacteria are ____ 1. complex 2. multicellular 3. eukaryotic 5.unicellular

match the line described on the left!!

Gothic Architecture is a new chain of clothing stores specializing in the color black. Gothic issues 1,000 shares of its $1 par value common stock at $24 per sh

An open pipe, 0.29 m long, vibrates in the second overtone with a frequency of 1,227 Hz. In this situation, the fundamental frequency of the pipe, in SI units,

When charging by induction both objects end up with the opposite charges

When in the Course of human events, it becomes necessary for one people to dissolve the political bands which have connected them with another, and to assume am

what is the odd one our, cow bull, pig, horse

Which of the following represents a function? A. OB. C. x5- 198-1 Ty 17 23 171 OD. {(0,1),(3,2), (-8,3), (-7,2), (3,4)}

The distribution of waist circumferences of US adult men randomly selected for a research study was approximately normal with mean \mu = 94μ=94mu, equals, 94 ce

DNA is composed of repeating structural units called