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

The following set of points belong to a specific function: {(-3,15)(-2,17), (-1,11), (0,3),(1,-1), (2,5),(3,27)} Based on the set of points answers the followin

A student notices that there are situations in which her avocados go bad very quickly. She decides to test the effect of temperature on how fast the avocado rip

Identify the main claim/thesis of the entire Monster Culture (seven theses) by Cohen, Jeffrey Jerome.

Please help find the measure of the arc

HELP PLEASEEE 9th Grade Geometry

Could you please check my work? Scenario: A study found that citizens spend on average $1950 per year on groceries with a standard deviation of $400. Assume tha

describe fully the single transformation that takes shape A to shape B

a pen costs 32 cents and a pencil costs 25 cents. kwok buys x pens and y pencils. express each of the following statements as an inequality: a)kwok buys at leas

Per capital GDP of a country is the ____ divides by the ____ Help ASAP :(

Please answer - How thick was the armor of the plane from ww1?