jassmin jassmin
  • 02-04-2014
  • Mathematics
contestada

expand and simplify this 
can you help  
(2x
²−3x+4) ( x²+5x−7) 

Respuesta :

Lilith
Lilith Lilith
  • 02-04-2014
[tex](2x^2-3x+4) ( x^2+5x-7)= \\ \\=2x^2*x^2+2x^2*5x-2x^2*7-3x*x^2-3x*5x+3x*7+4*x^2+4*5x-4*7=\\ \\=2x^4+10x^3-14x^2 -3 x^3-15x^2+21x +4 x^2+20x-28=\\ \\=2x^4+7x^3-25x^2 +41x -28[/tex]


Answer Link

Otras preguntas

Emancipation proclamation issued
find the zeros of 2x^2 - 16x + 27 using the quadratic formula. be sure to simplify the expression. Can someone please show me how this is done.
Building on émile durkheim's classical theory of suicide, sociologist matt wray describes a contemporary "american suicide belt." wray finds elevated suicide r
A speech community is a group of people who speak the same language
5a - {3b - 5[a - (b + -4a)]}
Which of the following is the main evidence of life in the early universe? A.) Dinosaur fossils B.) Rock layering C.) Plant remains D.) Cyanobacteria
Identify what reactants (molecules) are required for cells to carry out cellular respiration
If c is a constant such that 9x^2+10x+c is equal to the square of a binomial, then what is c? I NEED HELP SO BAD PLEASE PLEASE PLEASE
Natasha had d dollars. She bought two ice creams which cost x dollars each. How much money does she have left?
The Environmental Protection Agency has been the environment’s watchdog for close to years. 5 25 45 60