Select the correct answer.
Which expression is equivalent to this polynomial?
(3x - √7i) ²
(3x + √7) ²
○ (3x + √7) (3x − √7)
1
(3x
+
+ √7i) (3x − √7i)
9x² + 7

Select the correct answer Which expression is equivalent to this polynomial 3x 7i 3x 7 3x 7 3x 7 1 3x 7i 3x 7i 9x 7 class=