Answer:
3(8-4x) < 6(x-5)
24-12x < 6x-30
24+30 < 6x+12x
54 < 18x
54\18 < x
3 < x
It means the ans is option no. b
This is a perfect square trnomial
(a+b)²=a²+2ab+b²
we see that a=5x and b=2
(5x)²+2(5x)(2)+2²=0
factor
(5x+2)²=0
set equal to zero
5x+2=0
5x=-2
x=-2/5

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Step 1:

Write the equation
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step 2:

due to reciprocal 4 comes up and 3 comes down
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step 3:

divide 4 with 2
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step 4:

finally we get 0.667
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⚡final answer:
0.667✓
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hope it helped you:)
have a nice day!
D a rectangle because it has four sides easy for abcd