Answer:
Standard form of

Step-by-step explanation:
Here, the given expression is 
Now, simplifying the above expression in parts, we get

hence, combining both parts:


= 
The above expression is of the STANDARD FORM: 
Hence, the standard form of

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:
a) (-2,2), (-1,-1), (1,-1), (3,7)
b) x=1.4
Step-by-step explanation:
a. 3⁴
b. 7⁵
c. 10²
d. 5⁷
Hope this helps?
3.25 can be re-written as;
=3+0.25
Converting the decimal to a fraction gives;
3+

=Simplify the fraction;
3+

The final answer is;
3