Question

Factor x2 - 36. Show your work.

Answer 1

ok so a^2-b^2=(a-b)*(a+b)
x^2-6^2=????????

Answer 2

Confused :( sorry, help ?

Answer 3

6^2 = 36

Answer 4

ok so this is difference of squares
36=6^2
x^2-6^2= a^2-b^2=(a+b)*(a-b) substitue x for a and 6 for b

Answer 5

so...
a^2-6^2=(a+6)*(a-6) ...?

Answer 6

no a=x

Answer 7

sorry I'm trying :(

Answer 8

substitue x instead of a

Answer 9

x^2-6^2=(x+6)*(x-6) ?

Answer 10

YES ABSOLUTLY

Answer 11

Oh yay ! So is that it ? what do I do now

Answer 12

x^2-36=x^2-6^2=(x+6)*(x-6)

Answer 13

so it's x+6 and x-6