Simplify  −3 + i
7 + i
.

First, multiply both the numerator and denominator by .

The product in the numerator is
+
i.

The product in the denominator is
.

Simplify  

.

First, multiply both the numerator and denominator by

✔ 7 – i

.

The product in the numerator is

⇒ -20 +

⇒ 10i.

The product in the denominator is

⇒ 50.

The quotient of 5i and 2 − i is

⇒ -1 +

⇒ 2i..

Step-by-step explanation:

the last option on edge

Step-by-step explanation:

7 - i

the multiples of 15 are 15, 30,45, 60, 75, 90, 105, 120, 135, 150, 165, 180, 195,   210, 225, 240, 255, 270, 285, 300, 315, 330, 345, 360, 375,   390, 405, 420, 435, 450, 465, 480, 495, 510, 525, 540, 555, 570, 585, 600, 615, 630, 645, 660, 675, 690, 705, 720, and 735.

the factors of 15 are 1, 3, 5, and 15.

hope that , fam!

-une, your fren : )

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step-by-step explanation: