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

An item is purchased for a wholesale price of $48 and will be sold at a 55 percent markup. Which expression should be used to find the amount of the markup?
What is the product of y4 x y6?
Which of the following is called the master gland? a. Pancreas b. Thyroid c. Pituitary d. Adrenal
Communist economic system?
how do you solve this math question?
1. Select the answer matching the question: C’est quelle saison? C’est en novembre. Il fait chaud. Il fait 30 degrés. C’est l’hiver. 2. Quelle température
What is the largest organ in the body? the eye the brain the heart the skin
Which pronoun changes its form least as its case changes? you I they she
What was the initial goal of apartheid? Ensure a balanced system of representation for all people Maintain white domination and extend racial separation Create
In a picture, the objects decrease in size as they recede towards the ______________. a. vanishing point c. orthogonal lines b. picture plane d. vantage poi