15. Below is the solution of Marc Simon in factoring 3x}
- 243
3(x4 - 81)
(x2
(x2 - 9) (22 + 9)
(x + 3) (x - 3)
Is the solution of Marc Simon correct?
(
A. No because the other factors were omitted.
B. No because it lacks 3 as its factor.
C. Yes because 3x4 - 243 is divisible by x+3
D. Yes because the complete factorization of the expression
is (x + 3) (x - 3).
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