Can you please help me with this question.

Find the zeros of each function. f(x) = x^2 + 5x - 6

Ineed the solution to this problem and the steps.

What will be the end result for the taxpayer who filed his federal income tax return using the 1040ez form shown belowa he'll owe $173b he'll receive a refund of $173c he'll owe $3921d he'll receive a refund of $3921