CoriLuu
CoriLuu CoriLuu
  • 03-05-2016
  • Mathematics
contestada

Select the correct difference. -3z^7 - (-5z^7)

Respuesta :

apologiabiology
apologiabiology apologiabiology
  • 03-05-2016
remember
x-(-y) means x+y since minusing a negative cancels

-3z^7+5z^7
addthe coeficients
one way to show is undistribute
-3z^7+5z^7=(z^7)(-3+5)=(z^7)(2)=2z^7

answer is 2z^7
Answer Link

Otras preguntas

find an equivalent expression without parentheses -(50x-15y+15)=
Historians of china have traditionally dated the beginning of Chinese civilization to the founding of the what??
Which equation has the same y-intercept as y=4x-3?a. y-3=x              b. y=8x+3    c. 3-y=4x      d. y=-3+8xWhich of the following is the equation of the line
Historians of china have traditionally dated the beginning of Chinese civilization to the founding of the what??
what is the answer for (20,8),(9,16) ?
Marika and Freddy sold 70 homes for Ron Realty. If Marika sold 2.5 times as many homes as Freddy, how many homes did each sell?
Which equation has the same y-intercept as y=4x-3?a. y-3=x              b. y=8x+3    c. 3-y=4x      d. y=-3+8xWhich of the following is the equation of the line
Historians of china have traditionally dated the beginning of Chinese civilization to the founding of the what??
find an equivalent expression without parentheses -(50x-15y+15)=
Find Domain of the functionsquare root of (x-8)/x(x-9)