Question

simplify this expression
(-4-9i)+(5-7i)

Answer 1

open the brackets up

-4 -9i + 5 - 7i

put the numbers together and the letters together

-9i - 7i + 5 - 4

gives you

-16i + 1

Answer 2

You just group and combine like terms


(-4-9i)+(5-7i)


-4-9i+5-7i


(-4+5)+(-9i-7i)


(1)+(-16i)


1-16i

Answer 3

thank you u r both life savers

Answer 4

dont forget to click best response on us both then =P