Answer:
When you have an imaginary number in the denominator multiply the numerator and the denominator by the conjugate of the denominator.
Answer:
Step-by-step explanation:
3x^2 + 5x + 25 when x = 3
= 3(3)^2 + 5(3) + 25
= 3(9) + 15 + 25
= 27 +15 + 25
= 67
