15-02-2022
Mathematics

contestada

Given A= 3x2 – 2x+5 and B is 3 less than twice A.
Find the sum of A and B.

Respuesta :

goddessboi goddessboi

15-02-2022

Answer:

[tex]A+B=9x^2-6x+12[/tex]

Step-by-step explanation:

[tex]A=3x^2-2x+5\\B=2A-3\\\\B=2(3x^2-2x+5)-3\\B=6x^2-4x+10-3\\B=6x^2-4x+7\\\\A+B=(3x^2-2x+5)+(6x^2-4x+7)=9x^2-6x+12[/tex]

Answer Link

Otras preguntas

A cylindrical tube has a radius of 4 inches and a height of 14 inches could some one help me find the volume

In life, Ozymandias, the "King of Kings," seems to have been (Points : 3) a meek man. a friendly man. a contented man. a conceited man.

Which verb correctly completes the sentence? Tell whether it is singular or plural. The blanket of snowflakes __________ smooth and undisturbed by footprints. A

What is the indirect object in the sentence? Mr. Garcia has told Rita everything about his trip. A. Rita B. everything C. Mr. Garcia D. trip

What observation could lead to the conclusion that a object is nonliving

Predict how heat would flow if beaker A is moved so that it's touching beaker B A. Heat would flow from beaker B to beaker A. B. No heat flow would take place b

GCF of 24 , 36 , and 60

In your opinion, what was the most important element of the Northwest Ordinance of 1787? Why?

What is the repeating decimal for 8/11

I will answer the doorbell while you are in the room. how do I know what the clause is in this sentence?