kalynjackson2447 kalynjackson2447
  • 14-03-2020
  • Mathematics
contestada

Simplify
(2x2 - 5x + 3) - (-x2 + 4x - 5)
A)
x2-x-2
3x²-3x-2
3x²-x+ 5
3x² - 9x=8

Respuesta :

gmany
gmany gmany
  • 14-03-2020

Answer:

3x² - 9x + 8

Step-by-step explanation:

[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)\\\\=3x^2-9x+8[/tex]

Answer Link

Otras preguntas

The spectre of three wars threatens American dominancFor decades, US militarywas based on the idea that the US should be able to fightultaneousldiffereat parts
can you rewrite a letter
The following are 10 scores from a Biology exam: 77, 66, 74, 73, 77, 71, 68, 65, 77, 67. What is the mode? 1) 71.5 2) 72.0 3) 77.0 4) 71.0 5) 73.0
You are interested in how many times kids on the playground are violent. You define violence as being the number of times a child hits another child or yells at
What is medical asepsis?
What do you think would happen to the herons if a lot of algae grew all of a sudden and then died? why?
Which sentence below is properly punctuated? 1) bertie was away, miss paxton ran the office; made executive decisions, and gave herself a nice 2) bertie was awa
Which of the following reactions can we say is definitely energetically favorable, i.e. it can go without an input of energy? a) One in which ΔH < 0 b) One i
Show how to calculate 4 2/3 - 1 3/4 in two different ways. In each case, express your answer as a mixed number. Explain why both methods are legitimate.
Why do you think these traits are both? Which elements are inherited? Which are acquired?