SOLUTION: Sum And DifferencePattern. Write the product of the sum and difference. (y-1)(y+1)

Question 33381This question is from textbook Algebra 1
: Sum And DifferencePattern. Write the product of the sum and difference. (y-1)(y+1)
This question is from textbook Algebra 1

Found 2 solutions by checkley71, jwilliams1989:
Answer by checkley71(8403) (Show Source): You can put this solution on YOUR website!
(Y-1)(Y+1)=Y~2-1
Answer by jwilliams1989(2) (Show Source): You can put this solution on YOUR website!
To solve this, use the FOIL method. First, Outside, Inside, Last.
(y x y) (y x 1) (y x -1) (1 x -1) =
y^2 + 1y - 1y -1
Because you can cancel out the 1y and -1y you are left with Y^2 - 1 or Y squared -1. Hope this helps.
Jonna

RELATED QUESTIONS
Write the expression log2(6x/y) as a sum and/ or difference of... (answered by Theo)
factors this with the product of the sum and difference of 2 cubes... (answered by MathLover1)
The sum of x and y decreased by their product (answered by Alan3354)
The sum of x and y decreased by their... (answered by solver91311)
Write as the sum or difference of single logarithms of x, y, and z: log8 {(3x^3squart y) (answered by uma)
factors this with the product of the sum and difference of 2 cubes (x^(2m)-1)^3-x^(6m) (answered by Edwin McCravy)
what is the difference between the sum of 1/2 and 1/4 and the product of 1/2 and 1/4? (answered by Edwin McCravy)
sum,difference and product of two no are in the ratio 1:11:90 then what is the bigger... (answered by Theo)
1.Solve the problem. Given log b 3 = 3.6887 and log b 7 = 1.4873. Find logb 3/7... (answered by stanbon)