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

Which sentence uses correct capitalization? The Beatles' "yesterday" is the most covered Song in all of popular music. The Beatles' "Yesterday" is the most cove
5 biscuits cost 40p altogether how much do 3 biscuits cost
How was the constitution different than the articles of confederation? a. the constitution created a stronger federal government b. the articles outlawed slaver
What are the domain and the range of the relation? {(−9, 7), (−4, 3), (−1, −6), (2, −8), (5, 12), (10, 11)} Choose exactly two answers that are correct. A. doma
Lauren is warming up before softball practice. Which of these activities would provide the best dynamic stretch to prepare her for hitting? Trunk rotations Le
What is the ratio 15 : 75 in lowest terms? A. 1 : 5 B. 2 : 5 C. 1 : 4 D. 3 : 5
Triangle ABC has an exterior angle with measure 112 degrees. Which of the following could NOT be the measures of the angles of triangle ABC? 68,70,42 30,68,82 6
Who did not support the 26th Amendment?
Who did not support the 26th Amendment?
Find f(-2) for the function: f(x)= 3x^2-1, x<1 x+2, x> 1