Question

solve
x
9
qa
30+6x = 4 + 14-x​

Answer 1

answer:

ANSWER

x+1

14x

−

x−4

9x−30

<0

(x+1)(x−4)

14x(x−4)−(9x−30)(x−1)

<0

x

2

−4x+x−4

14x

2

−56x−(9x

2

+9x−30x−30)

<0

(x+1)(x−4)

14x

2

−56x−9x

2

−9x+30x+30

<0

(x+1)(x−4)

5x

2

−35x+30

<0

(x+1)(x−4)

x

2

−7x+6

<0

(x+1)(x−4)

x

2

−6x−x+6

<0

(x+1)(x−4)

(x−6)(x−1)

<0(x=7

8×3

1×6

>0)

xε(−1,1)(4,6)