desrullyn desrullyn
  • 04-02-2021
  • Mathematics
contestada

4. What is the result of 3^2x-5x+1 from 8x^2 -2x-9?
a. 5x2 +3x - 10
b. -5x2-3x -10
C. 5x2 -7X-8
d. 5x2 -7x +8

Respuesta :

belgrad belgrad
  • 09-02-2021

Answer:

a)  5 x² + 3 x -10

Step-by-step explanation:

Explanation:-

Given polynomials

        3 x² - 5 x + 1   and 8 x² - 2 x -9

Given that  

         3 x² - 5 x + 1   From 8 x² - 2 x -9

  ⇒   8 x² - 2 x -9 - (  3 x² - 5 x + 1  )

  =    8 x² - 2 x -9 - 3 x² + 5 x - 1

  =    5 x² + 3 x -10

 

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