False
True
True
Needs 20 characters
8:28 divide by 2
4:14 multiply times 5
20:70 is the answer
Let's simplify step-by-step.
(
x
−
3
)
2
+
2
Distribute:
=
x
2
+
−
6
x
+
9
+
2
Combine Like Terms:
=
x
2
+
−
6
x
+
9
+
2
=
(
x
2
)
+
(
−
6
x
)
+
(
9
+
2
)
=
x
2
+
−
6
x
+
11
Percent increase is calculated by
difference 0.7
--------------- = ----- = 0.7/4.6 = 0.1521 or 15.21% increase
orginlal number 4.9
