6)Simplify and verify the result for the given values (4a 2 -6ab+9b 2 )(2a+3b) ;a=2,b=1 7) Factorise the given expression 9x(6x-5y)-12x 2 (6x-5y)

please help kardo..koi

answer: bea's uncle is 25 years old.

step-by-step explanation:

given the equation , we can say that the variable "x" represents the age of bea's uncle. then to find his age, we need to solve for "x":

we must add 15 to both sides of the equation:

now we need to divide both sides of the equation by 3:

therefore, we can conclude that bea's uncle is 25 years old.

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step-by-step explanation:

see below

step-by-step explanation:

x+2> 6

subtract 2 from each side

x+2-2 > 6-2

x > 4

there is an open circle at 4 since is it is greater than and the line goes to the right