# math

Use the “difference of squares” rule to factor the following expression
49-4y^2
Thanks :)

1. 👍 0
2. 👎 0
3. 👁 88
1. (7+2y)(7-2y)

1. 👍 0
2. 👎 0
posted by PsyDAG

## Similar Questions

1. ### algebra

use the "difference of squares" rule to factor the following expression. x^2-81

asked by ROCKY on July 25, 2011
2. ### math

Use the “difference of squares” rule to factor the following expression 49-4y^2 my answer is going to be (7-2y)(7-2y) I wasn't sure if it could of been (7-2y)(7+2y)

asked by Natalie on July 25, 2011
3. ### algebra

use the "difference of squares" rule to factor the following expression. 64z^4-81a^4

asked by Shay on July 26, 2011
4. ### algebra

Use the “difference of squares” rule to factor the following expression: 100a^6-64b^8

asked by Elisa on June 19, 2011
5. ### intermediate algebra

Use the difference of squares rule to factor the following expression....81z^2-49y^2

asked by Lueshelle on April 18, 2012
6. ### math

Factor: 5(x+6)^2-90 I am able to simplify this expression to 5(x^2+12x+18), but i'm stuck on trying to solve the rest of this. I understand that you can use the quadratic formula, but I want to refrain from doing so as this

asked by Anonymous on October 22, 2018
7. ### math2

5y^8-125 *you have to factor completley easy. Take out the five: 5(y^8-25) Now, isnt y8 the same as y4 )2 ? That is a square, so you have that y4 squared minus another perfect square? That factor as the difference of two squares.

asked by margie on January 28, 2007
8. ### Math

Use common factoring and the difference of two squares to factor each expression... 5x^2-125

asked by Karla on April 12, 2010
9. ### Algebra

I have a few more questions that I either need help with or just need checking. Is the algebraic expression a polynomial? if it is write the polynomial in standard form, 1. 6x-9+8x^2 I got Yes; 8x^2+6x-9 Perform the indicated

asked by Soly on August 13, 2007
10. ### Algebra

In algebra special products and the questions says to factor the equation 200x^2-18 and I don't get how to. factor out a two, then what remains will be the difference between two perfect squares. I got as far as this 2(100x-3)^2

asked by Avalon on May 28, 2007

More Similar Questions