A proposed income tax charges 10% on a person's income up to $25,000 and then 20% on income above that. If a person has income of $60,000, what will their income tax be under the proposal?

to rewrite a literal equation you may need to divide by a number, or by a variable.

hope i .

x^2 + 81

we can factor this using difference of square binomials.

rewrite the equation:

x^2 - (-81)

factor:

(a^2 - b^2) = (√a^2 + √b^2)(√a^2 - √b^2)

(x^2 - (-81) = (x + √-81)(x - √-81)

we can remove the - from under the radical by multiplying it by i.

(x^2 - (-81) = (x + i√81)(x - i√81)

(x^2 - (-81) = (x + 9i)(x - 9i)

we can check our answer by using foil:

x^2 - 9ix + 9ix - 81i^2

x^2 - 81^2

i^2 = -1

x^2 + 81

2/3=10/15

1/5=3/15

10+3=13/15

2 13/15 is the answer