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

Explain why nitrate fertilizers may not be suitable for application in soils with low redox potential

In JAVA, Given: 1-an int variable k, 2-an int array currentMembers that has been declared and initialized, 3-an int variable memberID that has been initialized,

similarity between elephant and your mom

Which of the following correctly lists in order the four stages of food processing in animals? View Available Hint(s) Which of the following correctly lists in

Many of the experimental participants who were asked how fast two cars in a filmed traffic accident were going when they smashed into each other subsequently re

Jonah plants flower in garden. He plants 2 flowers in each row and 5 rows. DrAw an array to figure out how many flowers he has planted

Within the parietal cells of the stomach, CO2 and H2O are combined by ___________ to produce H2CO3, which quickly dissociates into H+ and HCO3-. H+ ions are pum

Identify the polynomial.a 2 + bcd3

Cortisone is a steroid that is applied to the skin to reduce inflammation. Cortisone acts on cells within the dermis and can travel through unbroken epidermis t

Calculate ΔH o rxn for the following reaction, after it is properly balanced with smallest whole-number coefficients: C2H6(g) + O2(g) → CO2(g) + H2O(g)[unbalanc