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

Please help fast‼️‼️

a group of 5 boys and 8 girls goes to the Fair admission cost $9 for person what expression can show the total amount the group will pay

hey can you please help me!

Using the completing-the-square method, rewrite f(x) = x2 − 6x + 2 in vertex form.

find the first term of the aritmetic sequence a_27=-1/2 and the common difference is 2.

What does nomadic hunter-gatherers and cave dwellers mean?

In what ways did women help in the war effort at home? Select all that apply.

Companies under market structures are independent. Is a secret agreement among companies that may result from this interdependence

Mechanical energy is defined as the sum of both the potential energy and the kinetic energy of an object. According to the law of conservation of energy, what h

What are two things the Jews were blamed for by German propaganda?