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Factoring Differences of Squares


1.)

Which binomial is a difference of squares?

14x^2-81

16x^2+81

25x^2-81

36x^2+81


2.)

Factor.

25m^6-16


3.)

Factor.

49a^2b^16-1


4.)

What is the completed factored form of 2x^2-50?


5.)

Jeremiah is factoring 0.64t^24-9 by using the rule a^2-b^2=(a+b)(a-b)

Which expression will he use for the value of a?

Verified Answer :

pegah

1) the answer is 25x^2 - 81 because it is equal to: (5x-9)(5x+9) 

2) the factor for this question is: (5m^3 - 4)(5m^3 + 4) 

3) the factor for this question is: (7a^b^8 -1)(7a^b^8 +1)
 
4)the completed factored form is: (2x + 10)(x-5) 
you should say: 2x^2-50 is equal to: 2x^2 +0x - 50 
and then: 2x^2 -10x +10x - 50 
then you will solve it :))

5) the expression for a will be: 0.8t^12 :))) 

i hope this is helpful 
have a nice day

paigekosineki

Answer:

1) the answer is 25x^2 - 81 because it is equal to: (5x-9)(5x+9)  


2) the factor for this question is: (5m^3 - 4)(5m^3 + 4)  


3) the factor for this question is: (7a^b^8 -1)(7a^b^8 +1)

 

4)the completed factored form is: (2x + 10)(x-5)  

you should say: 2x^2-50 is equal to: 2x^2 +0x - 50  

and then: 2x^2 -10x +10x - 50  

then you solve


5) the expression for a will be: 0.8t^12

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