cassidylynnadkozxrs5
cassidylynnadkozxrs5 cassidylynnadkozxrs5
  • 01-01-2021
  • Mathematics
contestada

Simplify: (5x2 - 9x + 3) + (4x2 + 4x - 12)
(1) 9x2 + 5x - 9
2) 9x2 - 5x + 15
3) 9x² - 5x-9
4) 9x2 - 13x - 9

Respuesta :

devishri1977
devishri1977 devishri1977
  • 01-01-2021

Answer:

3) 9x² - 5x - 9

Step-by-step explanation:

Combine like terms

5x² - 9x + 3 + 4x² + 4x - 12 = 5x² + 4x²  - 9x + 4x    + 3 - 12

                                           = 9x² - 5x - 9

Answer Link
mirsalikhovh
mirsalikhovh mirsalikhovh
  • 29-04-2022

Answer:

3) 9x² - 5x - 9

Step-by-step explanation:

Answer Link

Otras preguntas

Please help me find the area of the red rectangle , ignore my writing, it's probably not useful
Please helpHow are the British soldiers portrayed.​
Look at the dictionary entry that follows the sentence. What is the meaning of the word concord
3 ( x - 1/4 ) = 13/6
Write an expression to subtract the product of z and 2 from 6
16. Change from a solid to a liquid involves what? evaporation or boiling of liquid water molecules. A An increase in temperature or the vibration of molecules
Sixteen is the same as the quotient of a number and 12.
describe how the social activism concepts could help to fight poverty​
Solve -1/2 w -3/2= 1/5 w
Which of these is a function of the digestive system? A. transports nutrients to other organs B. eliminates nondigestible waste regulates blood flow D. builds b