4x + 12x = 32
combine like terms
16x = 32
divide
x = 2
AB = 8
X = 2
I hope this is the answer you're looking for.
Answer:
Step-by-step explanation:
Let's solve your equation step-by-step.
−
3
x
2
+
7
x
=
−
5
Step 1: Subtract -5 from both sides.
−
3
x
2
+
7
x
−
(
−
5
)
=
−
5
−
(
−
5
)
−
3
x
2
+
7
x
+
5
=
0
For this equation: a=-3, b=7, c=5
−
3
x
2
+
7
x
+
5
=
0
Step 2: Use quadratic formula with a=-3, b=7, c=5.
x
=
−
b
±
b
2
−
4
a
c
2
a
x
=
−
(
7
)
±
(
7
)
2
−
4
(
−
3
)
(
5
)
2
(
−
3
)
x
=
−
7
±
109
−
6
x
=
7
6
+
−
1
6
109
or
x
=
7
6
+
1
6
109
