Question

What are the roots of 2x+6=−5x?

3−+i2

−3−+i2

−3−+2i4

3−+i2‾‾√4
please help

Answer 1

@Nnesha

Answer 2

@t.ashleyxx

Answer 3

@ganeshie8

Answer 4

@dom4958

Answer 5

Shouldn't one of the x's be squared?

Answer 6

ill attach a screenshot it doesn't post right

Answer 7

@mathstudent55

Answer 8

That's a completely different problem.

Answer 9

can you help?

Answer 10

With the screenshot?

Answer 11

yes

Answer 12

We need to multiply this together.

\((1 + i\sqrt 3)(1 + 2i\sqrt 3) \)

We use FOIL.

\(=1 + 2i\sqrt 3 + i \sqrt 3 + 2i^2 (\sqrt 3)^2\)

Ok so far?

Answer 13

\(=1 + 3i\sqrt 3 - 6\)

\(=-5 + 3i\sqrt 3 \)

Answer 14

okay