If the area of a larger rectangle is 3x(4x-6) and the area of a smaller rectangle is 5(2x+3), what is the difference in the areas of the rectangles? (use " to show exponent)

5.5

step-by-step explanation:

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.

1

x = 1

step-by-step explanation:

0 ÷ x = 0

0 ÷ 1 = 0