Question

Find range of values of x such that each of the following inequalities is valid

Answer 1

\[x(5x^2+8) \le 1/2(47x^2-48)\]

Answer 2

\[10x^3-47x^2+16x+48 \le 0\]

Answer 3

What shall I do nxt
@ganeshie8

Answer 4

I would try to factor it

Answer 5

http://www.wolframalpha.com/input/?i=factor+x%285x%5E2%2B8%29+-+1%2F2%2847x%5E2-48%29

Answer 6

After that

Answer 7

Nvm, I gt the answer

Answer 8

Can we factorise the above quation without using a calculator

Answer 9

equation*

Answer 10

yes but its a bit lengthy process, you need to know below goodies :
1) descartes rule of signs
2) rational root theorem
3) synthetic division

Answer 11

I'll jst use ur first method

Answer 12

What about this question
2x^2-3x-12 smaller or equal to 0
Same method as above to find the inequalities?

Answer 13

may be factor it by using quadratic formula

Answer 14

The values might be in decimals
But the answer given is \[x \le -3/2,2<x \le4\]

Answer 15

check the equation once.. is the equation really a quadratic ?

Answer 16

yes..

Answer 17

not sure, im also getting decimals...