JaneDoe911 JaneDoe911

02-05-2018
Mathematics

contestada

(a-1)*(a+1) How does the expansion of this thing works?

Respuesta :

Meow321 Meow321

02-05-2018

This is a simple formula:(a-b)*(a+b)= a^2-b^2
And it goes like this for your example: (a-1)*(a+1)=a*a+a-a-1*1=a^2-1^2=a^2-1

Answer Link

Otras preguntas

Ashton makes more than 32 sandwiches for a party. If Ashton cuts each sandwich into two pieces, which inequality represents the total number of pieces, p, he ha

Robert plans to invest $650 in a savings account at the beginning of each of the next seven years. If his opportunity cost rate is 5 percent compounded annually

Write a function that represents the situation. Your $840 annual bonus increases by 5% each year

What is the quotient 212,960\1000

1) 6(8+104)= What is the answer

Question 1 of 10 2 Points According to Le Châtelier's principle, how will a pressure increase affect a system that includes matter in the gas phase and another

Whats 13/3 as a rational number

3(x + 1) + 4x + 3 = 34

Which is the slope of the line that passes through the points (2,8) and (4,6)?

What is l’Arabe du futur 4 about ?