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

Why does israel and its neighbors have such a great economic and military importance?

The American Revolution has been important in world history because it __________.

Choose the correct past participle for the spanish verb cantar.

45+(5/6x)=50. How do I do this

Organisms must maintain _____, which is a balance of internal conditions.

your your body systems each have an important function which system includes the skin hair and nails and provides protection from the environment A..integumenta

4 3/4 +2 5/6 what is the steps

What lines from the Inferno best reflect Dante's message that "how life is lived on Earth determines how life is lived after death"? A. "And, if they lived befo

how many atoms of oxygen are contained in 47.6g of Al2(CO3)3?

if they have a child what is the probability of their child have dimples