xenavilche xenavilche

10-05-2018
Mathematics

contestada

Multiply 3i(−1 + 2i). What is the simplified version written in standard form, a + bi, where a and b are real numbers?

Respuesta :

jcherry99 jcherry99

10-05-2018

3i (- 1 + 2i) Remove the brackets.
3i (-1) + (2i)(3i) Look at the first set of brackets around the -1
-3i + 6i^2 But i^2 = - 1[ I hope that's the way you are using it]
-3i - 6 or -6 - 3i or -3(2 - i) <<<<< answer

Answer Link

Otras preguntas

The formula for determining profit is P=R-C. Which is the equivalent equation solved for R?

Find the area of the shaded region if the dimensions of the unshaded region are 18ft x 22ft. Use 3.14 for π as necessary. A. 1,419.84 ft² B. 1,111.84 ft² C. 709

If the point (a,3) lies on the graph of the equation 5x + y = 8, then a= 1 -1 -7

The Zeroth law of thermodynamics states the?

What is the solution to 3 times the square root of 4 minus 2 times the square root of 4? A o mo 2 Please select the best answer from the choices provided

Help me on this math question and if u can’t see than u can Zoom in

why should Recess time be extended

What happens if you fail to pay your annual taxes? A. you will simply have to pay some penalty fees B.you can file your return the next year C.you will have to

A block of wood has a length of 4 cm, a width of 5 cm, and a height of 10 cm. What is the volume of the wood? 20 cm³ 19 cm³ 50 cm³ 200 cm³

If you know that the change in entropy of a system where heat was added is 12 J/K, and that the temperature of the system is 250 K, what is the amount of heat a