−
9
Explanation:
(
3
i
)
2
=
9
i
2
i
2
=
−
1
,
therefore,
9
i
2
=
9
⋅
(
−
1
)
=
−
9
Add the polynomials together:
(5x-2)+(2x-3)+(4x+3)
Combine like terms:
(5x+2x+4x) + (-2+-3+3) = 11x-2
So the answer is D.
Answer:
30mph
Step-by-step explanation:
be smart
Answer:
3
Step-by-step explanation:
P+r-2
=3+2-2
=5-2
=3 is the answer.........................
Answer:
-12
Step-by-step explanation:
