3(2+x)
open the parenthesis
= 6 + 3x
3(2+x) = 6 + 3x
Hence the statement of equality is true
H is the correct option
The answer is c). (x-5)(x-7)
The number -6.75 is rational if it is an integer or decimal. -6.75 is a decimal, so -6.75 is rational, not irrational.
ANSWER: rational