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

write a "simplified" version of the radical [tex] \sqrt{360}[/tex]

Which section from the story best reveals how the author uses Ernestina character to create is specific effect

The Lewis Dot Structure rule states that S=N-A. Recall that N represents the TOTAL number of valence electrons that all the atoms in a molecule will have once t

Which of the following would best help you find the statistics needed to include in a paper? lmages Notes Data charts Headings

Why did the peaceful relationship with New England Indians change

an opportunity cost is a type of A. benefit B. decision C. trade off D. Resoult

Select the correct answer. Which expression is equivalent to if no denominator equals zero? (x-1)^2/x^2-x-12 multiplied by x^2 + x - 6/x^2 - 6x - 5

Which System of linear inequalities is represented by the graph??

Why does King use allusions to the Bible in his letter? He was a preacher and was writing to other preachers. He wanted to prove that he was Christian. He hoped

Find the value of abc-def (I need work shown)