young1 young1
  • 24-02-2015
  • Mathematics
contestada

factoring by grouping how do i solve it 8r^3-64^2+r-8

Respuesta :

heyDB
heyDB heyDB
  • 24-02-2015
Squaring a number is the same as multiplying the number by itself (64⋅64). In this case, 64 squared is 4096.
8r^3−4096+r−8

Subtract 8 from −4096 to get −4104.
8r^3−4104+r

Factor the polynomial using the rational roots theorem.
(r−8)(8r^2+64r+513)
Answer Link

Otras preguntas

PLEASE HELP!!!!!!!!!!
1. In a series circuit the sum of all voltage drops produced by the loads in the circuit equals the a. Total circuit resistance b. Branch current c. IxR d. Supp
What is the angle made between normal and the incident ray is called​
Of the 10 clients who had their hair cut at Sue's salon last month, 5 had blond hair. Considering this data, how many of the next 14 clients to get haircuts sho
Which function is best represented by this graph?
Use the equation to answer the question.-4t + 14 = -9t + 24 What value of t makes the equation true? Enter the answer in the box.[_____]​
What is the purpose of making the colored spots concentrated?
PLS ... HELP... THANK YOU
How do you analyze better or explain things in a deeper meaning for English?
How did Americans view the soviets after ww1