3 years ago

Simplify (5i-2i) (2+6i)-(4-i) show all work

Mathematics

1 answer:

suter [353]3 years ago

5 0

↝ (3i)(2+6i)-(4-i)

↝ 6i+18i²-4+i

↝ 6i-18-4+i [ i² = -1]

Therefore, it's 7i-22

You might be interested in

You need to replace the molding around a floor that is 15 feet long and 23 feet 6 inches wide. The molding sells for $0.50 per f

julsineya [31]

$41.04 you multiply how long and how wide it is together. after that that the answer is 2,070 then divide it by 50 and you get $41.04.

i hope that helps!!

4 0

3 years ago

Use the point and the slope to graph each line. Write the equation of the line. The line contains point (2,-2) and is perpendicu

lisabon 2012 [21]

Answer:

x + y = 0

Step-by-step explanation:

Slope 1

b = -2 - (-1)(2)

b = -2 +2

b = 0

y = -x

4 0

3 years ago

Michel took 2 5/8 hours to clean the bathroom. He took 4 3/4 hours to clean the bedroom. How much longer did it take Micheal to

kherson [118]

It took him 2 1/8 hours longer

8 0

2 years ago

Pls only answer if yk it i’m giving best answer brainliest!

Vikki [24]

Answer:

Step-by-step explanation:

7 0

3 years ago

Read 2 more answers

The area of a rectangle is 200 square feet. Find its length if its width is 10 feet.

bearhunter [10]

Answer:

Step-by-step explanation:

In area you have to multiply so 10 x ? = 200

10 x 20 = 200

5 0

3 years ago

Simplify (5i-2i) (2+6i)-(4-i) show all work​

Simplify (5i-2i) (2+6i)-(4-i) show all work