Question

(y^x - 5)( y^x + 5)

Answer 1

do you know formula a^2 -b^2 = ?

Answer 2

no. but I have y^2x 25^2 for my answer but it's partial credit

Answer 3

a^2 -b^2 = (a+b)(a-b)

can you us it in ths case ?

Answer 4

I dont know, I'm not really familiar with this

Answer 5

(y^x - 5)( y^x + 5) = y^(2x) -5^2 = y^(2x) -25

yes ?

Answer 6

yes

Answer 7

what you need to do again ?

Answer 8

no

Answer 9

nothing ?

Answer 10

so this is the answer ?

Answer 11

y^2x-25 is the answer

Answer 12

so than this is exactly what i have wrote above

hope do you understand iit sure

good luck

bye