Whats the roots of the following three problems:

1.
2.
3.

QUESTION 1

The given function is

We simplify to get;

This function is equal to zero when

QUESTION 2

The given function is

We factor to get;

This function equals zero when

QUESTION 3

The given function is

We factor to get,

The function equals zero when

Hence the equation has no real roots.

The complex roots are

or

i dont know sorry

step-by-step explanation:

56.6

step-by-step explanation:

the ratio of the perimeters is equal to the scale.

the ratio of the areas is equal to the square of the scale.

34 / 20 = k

a / 19.6 = k²

substituting:

a / 19.6 = (34 / 20)²

a = 19.6 (34 / 20)²

a ≈ 56.6