Question

If a=x-3 , b= 3x and x= 2, find the value of 4ab
class 6
I want process
answer -24​

Answer 1

Answer:

-24

Step-by-step explanation:

so given is

a=x-3-③

b=3x-②

x=2-①

substituting ① in ③

a=2-3

a=-1

substituting ① in ②

b=3x

b=3*2

b=6

Now using the new values of a and b

4ab=4*(-1)*6

     =-24

Answer 2

a = x - 3

= 2 - 3

= -1

b = 3x

= 3 × 2

= 6

Substituting the value of a and b in 4ab,

4ab = 4 × (-1) × 6

= -24 (Ans.)

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