Answer:
28
Step-by-step explanation:
Answer:

Step-by-step explanation:
=> 
=> 
=> 
=> 


Multiply complex numbers 5+6i and 5-6i in the same way as you multiply binomials.

By definition, i² is -1.

Do the multiplications.

Now cancel -30i & +30i

Now the equation becomes

________
Hope it helps.
ŕάίήвόώşάĻţ2²2²
Answer:
6cm is the missing length
Step-by-step explanation:
See the 10cm and the 4cm?
If you look at in a way if you added 6 more centimeters to the 4cm it would be 10, leaving 6cm as the missing length.
Answer:
A.) x = -15
Step-by-step explanation:
-19+4 = x
x = -15