Answer:
(
x
^2
+
8
)
(
2
x
−
1
)
(
x
+
2
)
Step-by-step explanation:
a
^2
−
b
^2
=
(
a
+
b
)
(
a
−
b
)
where
a
=
x and b
=
1
(
x
^2
+
8
)
(
2
x
−
1
)
(
x
+
2
)
Glad I was able to help!!
If you represent the problem in a diagram, you will form a triangle with 3 known length of the sides. When you are given all sides, and you are asked to find an angle, you can use the cosine law.
b^2 = a^2 + c^2 - 2ac*cosB
1.4^2 = 1.9^2 + 1^2 - 2(1.9*1)(cosB)
B = 45.78°
Answer:
UHm, if you dont mind me asking, what exatly is the question
Step-by-step explanation: