-9i(-9i+4)+3(8+8i)
Use the distributive property to remove the parenthesis:
-9i * -9i = 81i^2
-9i x 4 = -36i
3x8 = 24
3x8i = 24i
Now you have 81i^2 - 36i + 24 + 24i
i^2 = -1
Now you have 81 x -1 - 36i + 24 + 24i
-81 +24 = -57
-36i +24i = -12i
Final answer = -57 - 12i
The answer is D.
Answer:
D
Step-by-step explanation:
(-5x2)•3=
-15x^2
your answer would be 40.
Answer:15+2.50(10x3)=x
I think it is B.
