Please help asap
A: What are the solutions to the quadratic equation 4x2+25=0?
B: What is the factored form of the quadratic expression 4x2+25?
Select one answer for question A, and select one answer for question B.

B: (x−2i)(x+5i)
B: (2x−5i)(2x+5i)
B: (x−52i)(x+25i)
B: (2x−5i)(2x−5i)
A: x=52i or x=−52i
A: x=2i or x=5i
A: x=−52i
A: x=52i