Answer:
Part A)
x=-3i
x=3i
Part B)
(x+3i)(x-3i)
Step-by-step explanation:
Given:
Part A)
x^2+9=0
x^2=-9
x= √-9
x=√-1 *√9
x=± i *3
x=±3i
Part B)
x^2+9=0
x^2 - (-9)=0
x2-(3i)^2=0
(x-3i)(x+3i)=0 !
Answer:
4.950 m
Step-by-step explanation:
3.5^2+3.5^2=hypotenuse^2
<span>9, 12, 19, 30, ...
</span>formula for the nth term is;
<span>2n^2 + 3n - 10</span>
Hi!
When following the order of operations, A. Parantheses (or brackets) come first. =)
(15 is your answer)
Divide numerator by denominator, cancel out any common factors