What is the solution set of the equation (x -2) (x-a) = 0 ?
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x=2, x=a

Step-by-step explanation:

(x -2) (x-a) = 0

(x-2)(x-a) = 0

x-2=0

x-2+2=0+2

x=2

x-a=0

x-a+a=0+a

x=a

it is a. 4.2 because 7.6-3.4 gets the remaining length of 4.2. i might be wrong but i am pretty sure this is the answer.