fabo83 fabo83
  • 23-11-2018
  • Mathematics
contestada

Simplify. (2x2 - 5x + 3) - (-x2 + 4x - 5)

Respuesta :

gmany
gmany gmany
  • 23-11-2018

[tex](2x^2-5x+3)-(-x^2+4x-5)\\\\=2x^2-5x+3-(-x^2)-4x-(-5)\\\\=2x^2-5x+3+x^2-4x+5\qquad\text{combine like terms}\\\\=(2x^2+x^2)+(-5x-4x)+(3+5)\\\\=\boxed{3x^2-9x+8}[/tex]

Answer Link

Otras preguntas

Shakespeare spent most of his life in his hometown with only an occasional trip to London.
Price controls on goods can be set by
cual es la mitad de 1.5
Thomas is fascinated by the play he is reading. He knows something about what has happened that the main character doesn’t realize yet. Which literary device is
The prefix cardio means
Price controls on goods can be set by
What is 575% written as a mixed number
Each year how many billions of dollars are donated to charities? a. $5 billion. b. $5.5 billion. c. $30 billion. d. $300 billion.
What is the next letter? Y B W D U F
¿Qué es albañil en ingles?