Answer:
x
=
±
2
√
3
−
3
Step-by-step explanation:
Add
3
to both sides of the equation.
x
2
+
6
x
=
3
To create a trinomial square on the left side of the equation, find a value that is equal to the square of half of
b
.
(
b
2
)
2
=
(
3
)
2
Add the term to each side of the equation.
x
2
+
6
x
+
(
3
)
2
=
3
+
(
3
)
2
Simplify the equation.
Tap for more steps...
x
2
+
6
x
+
9
=
12
Factor the perfect trinomial square into
(
x
+
3
)
2
.
(
x
+
3
)
2
=
12
Answer:
96 miles
Step-by-step explanation:
3 multiplied by what gives you 24?
8 right?
So, what you want to do is 8 multiplied by 12.
Doing so you will reach the conclusion that 12 multiplied by 8 equals 96.
So you can go 96 miles on a speedboat with 12 gallons of gas.
I hope this helped you :)
6439000 is the nearest 1000