Answer:
The answer is

Step-by-step explanation:
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8 + 5i. I just added the expression normally.
(3a²+6ab-24²)= 3a(a+2b)x(4b)
Answer:
3
Step-by-step explanation:
15x +8 =40 +13
15x + 8=53
15x=45
3
F(x) = 2x^2 + 5x
f(3b) = 2(3b)^2 + 5(3b) = 2(9b^2) + 15b = 18b^2 + 15b