Tom's age is 4 of his mother's age. Tom is 12 years old. How old is his mother?
Equation:

His mother is 48 years old.

Step-by-step explanation:

12=12/1

To divide fractions, keep, change, flip.

12/1 x 4/1=48

if x decreases by 4 then y increases by 10

step-by-step explanation:

the correct answer option is (2x-3)(2x+3).

step-by-step explanation:

we are given the following expression and we are to factorize it:

we are to find such factors that when multiplied they give a result of 36 (9 x 4 = 36) and when added they give a result of 0.

the two such factors of 36 are negative six and postive six.

factorizing the given expression to get:

therefore, the correct factorization of is (2x-3)(2x+3).