Which expression is not equivalent to the others

A.)

Step-by-step explanation:

First: just know 15^2 equals 15(*2) or 15 x 15

Next: A.) 15^2 + 15^1 x 13^1 x 13^1 -> Simplifies to -> 225 + 15 x 13 x 13 -> Which equals -> 40,560

B.) 15 x 15 x 15 x 13 x 13 -> Equals -> 570,375

C.) 15^2 x 15^1 x 13^2 -> Simplifies to -> 225 x 15 x 169 -> Which equals -> 570,375

D.) 15^3 x 13^2 -> 3,375 x 169 -> 570,375

A is the only one that does not match the other answers

answer:   x = 3 + √11     and     x = 3 - √11

step-by-step explanation:

x² - 6x + 9 = 11

(x - 3)² = 11

x - 3 = ±√11

    x = 3 ± √11

x = 3 + √11     and     x = 3 - √11

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step-by-step explanatio89