Combing like terms -4(7 + 3a) -6a(4a - 5)

24a^2-18a+28

Step-by-step explanation:

-4(7 + 3a) -6a(4a - 5)

-28-12a-24a^2+30a

-24a^2+18a-28

24a^2-18a+28

a: 1/6, j: 1/4

step-by-step explanation: you are welcome

whole number data type

step-by-step explanation:

as whole number type represents whole number

like 1, 2 ,3, 4

in other words the whole numbers are those numbers which cannot be written infraction.

since we can take days as a whole number i.e 1 day 2 day and we cannot write 1.2 day hence we will use whole number data type