Factor ab – 2b - a + 2 by grouping.

ab - 2b - a +2

ab - a - 2b +2

Rearranging like terms

a( b -1) -2 ( b-1)

(b-1) (a-2)

$3720

step-by-step explanation:

taxable income = $31000

as per the 2018-2019 us tax bracket, the tax rate is 12% for an individual whose taxable income is between $9,526 to $38,700.

so, the tax to be paid by him = 12% of 31000

= 0.12 * 31000     [12% converted to decimal as 0.12]

= $3720