Answer:

Step-by-step explanation:
Substitute x=2 into f(x) x times 3

Calculate it

Answer:
1/2 + 5/2 i
Step-by-step explanation:
(-5+i) i
---------* --------
2i i
cannot have i in the denominator so we multiply by i
(-5+i) i -5i + i^2
---------* -------- = ----------------
2i i +2i^2
remember i^2 = -1
-5i + -1 -1 -5i
= ---------------- = ------------------
+2(-1) -2
get rid of the negative in the denominator by multiplying the top and bottom by -1
(-1 -5i) * -1
= ------------------
-2*(-1)
(1 +5i)
= ------------------ = 1/2 + 5/2 i
2
Answer:
-13/8
Step-by-step explanation:
u divied by -8 to get n by itself
Answer: The required value of y is 19.
Step-by-step explanation: We are given to find the value of y in the solution to the following system of equations :

Comparing equations (i) and (ii), we get

From equation (i), we get

Thus, the required value of y is 19.
Answer:
35x+12
Step-by-step explanation:
1. You combine like terms. (15x *3x=35x)
2.You Multiply other terms (2*6= 12)
3. Answer: 35x+12