Simplify the expression. (-3 + 6i)(-3 + 5i)

When we expand we get -9 - 33i + 30i². Since i² = -1 we can write this as -9 - 33i + 30 * (-1) = -9 - 33i - 30 = -33i - 39.

-21-33i

Step-by-step explanation:

(-3+6i)(-3+5i)=9-15i-18i+30i²=9-33i+30(-1)=-21-33i

the answer for this question is 38

trapezoid

step-by-step explanation:

first i plotted all my points on a grid graph

i made sure all of them were in the correct quadrant

then i saw it was a trapezoid or a quadrilateral