martinezchanna97 martinezchanna97
  • 13-06-2020
  • Mathematics
contestada

please help !!

what is the simplest form of this expression? (x-3)(x^2+4x+5)
A. x^3+7x^2+7x+15
B. x^3+x^2+17x+15
C. x^3+x^2-7x-15
D. x^3-7x^2-17x-15
​

Respuesta :

Аноним Аноним
  • 13-06-2020

Answer:

C, x^3+x^2−7x−15

Step-by-step explanation:

=(x+−3)(x^2+4x+5)

=(x)(x^2)+(x)(4x)+(x)(5)+(−3)(x^2)+(−3)(4x)+(−3)(5)

=x^3+4x^2+5x−3x^2−12x−15

=x^3+x^2−7x−15

Answer Link

Otras preguntas

Why are scientists concerned that currently unknown medicinal plants may never be discovered?
How did Sun Yat-sen respond to Qing rulers’ resistance to modernizing China?
What will happen when a blood cell is placed in a hypertonic salt solution?
can someone please help with 15?
HELP Luna observed that in the last 12 issues of Rise Over Run Weekly, 384 of the 960 pages contained an advertisement. If there are 80 pages in this week's e
Robin and evelyn are playing a target game. the object of the game is to get an object as close to the center as possible. each player’s score is the number of
The first battle of the revolutionary war was the battle
-67 = 6x - 1 -8 = 32 - 5q SHOW ALL WORK
write about two regional dishes from Colombia. Be sure to include the name of the dish, the origins (if known), and the ingredients that make up that dish.
How do you convert decemials to fractions? 15 points :3