Question

Solve. (X-9)^2 = x^2

Answer 1

x^2-18x-81=x^2
-18x=-81
x=4.5

Answer 2

im having problems with this question because i dont know what it wants me to do
Research the highest interest rate (APY—annual percent yield) for 2-year and 5-year CDs. Document the company's name, interest rate, and minimum investment. The minimum investment must be less than or equal to $5,000.

Answer 3

@pandaluver44 \((x-9)^2 \neq x^2-9^2 \)

Answer 4

really? it doesn't?

Answer 5

No, do not get it confused with the identity: \((x-9)(x+9)=x^2-9^2\)

Answer 6

Would x= 9/2 be correct?

Answer 7

oh. oops. sorry about that. I'll delete my posts.

Answer 8

@Nancyo yes

Answer 9

Yeah. Thanks