layspot layspot

03-07-2020
Mathematics

contestada

4. Factor the expression.
4b2 + 28b + 49
QA (2b + 7)2
OB (2b - 72
C (-2b + 7)2
OD 2(b - 7)2

Respuesta :

Hrishii Hrishii

03-07-2020

Answer:

A. [tex](2b+7)^2[/tex]

Step-by-step explanation:

[tex]4b^2 +28b + 49\\=(2b)^2 + 2\times 2b\times 7 + (7)^2\\=(2b+7)^2[/tex]

Answer Link

Otras preguntas

name three roles you play in your relationships with others. explain when you play each role.

What does a journal written by frontier settlers most likely tell you about Manifest Destiny?

how did the experience of the early colonists shape Americas political and social ideals?

rachel has a collection of 40 stuffed animals . of the stuffed animals 3/8 are bears and 1/5 are dogs the rest are other animals . how many other animals does s

What does it mean when sperm can't penetrate the eggs

Write 75 as the product of its prime factors. (2 marks)

how can you tell the difference between additive comparison and multiplication comparison

Questions 1. Calculate the molar mass of an element. 2. Calculate the molar mass of a compound. 3. How do you determine the number of protons, electrons and neu

What is .368 written in expanded form?

System of equations x-y-2z=4, -x+2y+z=1, x+y-3z=11. Solve by elimination