Question

factor x^2-26x+169-y^2

Answer 1

lets do step by step
from x^2-26x+169-y^2
can u factor out of x^2-26x+169 (i was save the term of y^2)

Answer 2

X(x-26+169-y^2)

Answer 3

no, just factoring of x^2-26x+169, first

Answer 4

1x^2-26x+169= (1x^2+13x)(13x+169)?

Answer 5

1x^2-26x+169= (1x^2-13x)(13x+169)?

Answer 6

nopes....
x^2-26x+169 = (x-13)(x-13)

Answer 7

oh so (x-13)(x+13) than what do u do with the y^2

Answer 8

it similar by (x-13)^2, right ?

Answer 9

i don't know

Answer 10

the answer is (x-13-y)(x+13+y)

Answer 11

no, still incorect
it should be (x-y-13)(x+y-13)
sorry, my net very slow :'(

Answer 12

its ok this is my new problem x^2-30x+225-y^2

Answer 13

i think its (x-15-y)(x-15+y)

Answer 14

its right =)

Answer 15

thanks for ur help