Answer:
x=4
Step-by-step explanation:
3(9-8x-4x)+8(3x+4)=11
Subtract 4
x from −
8
x
3
(
9
−
12
x
)
+
8
(
3
x
+
4
)
=
11
Distribute
27
−
36
x
+
24
x
+
32
=
11
Simplify
−
12
x
+
59
=
11
Subtract 59 to both sides
−
12
x
=
−
48
Divide by -12
x=4
I hope this helps you
5x^2+30x+65=0
5 (x^2+6x+13)=0
x^2+6x+13=0
a=1 b=6 c=13
disctirminant=b^-4ac
disctirminant=6^2-4.1.13
disctirminant=36-52
disctirminant= -16
x1= -6+square root of -16/2.1
x1= -6+4i/2=2i-3
x2= -6- square root of -16/2.1
x2= -6-4i/2= -3-2i
Answer: 12
Step-by-step explanation: 3 times 4=12
