Question

if log3 (2x^2 - 5x +11) = 2 then x=

Answer 1

Answer:

(a) 5x−11=2x+7

⇒3x=18

⇒x=

3

18

⇒x=6

(B) 3(x−8)−2(x−5)=2−5x

⇒3x−24−2x+10=2−5x

⇒x−14=2−5x

⇒6x=16

x=

6

16

⇒x=

3

8

(C) 2(3x+1)−7=2(6x−7)

⇒6x+2−7=12x−14

⇒−5+14=12x−6x

⇒6x=9

⇒x=

6

9

⇒x=

2

3