Factor this polynomial expression.
3x2 + 30x+75
O A. 3(x - 5)(x+5)
O B. (3x + 5)(x+ 15)
O C. 3(x - 5)(x - 5)
O D. 3(x + 5)(x+5)

4. bob solved the inequality problem below incorrectly. explain his error and redo the problem showing the correct answer. ? 2x + 5 < 17 ? 2x + 5-5 < 17-5 -2x/-2 < 12/-2 x < -6