Select the solution(s) of the original equation. Use substitution to write an equivalent quadratic equation. (3x + 2)2 + 7(3x + 2) – 8 = 0

Given the choice between receiving $1.000.000 in one month or a single penny-doubled everyday for the period of one month; which option would you choice? show your work to support your answer. (assume that 1 month=30 days)

Solve 2x+y=3 x+y=5 in substitution method

How do i simply this expression (quadratic formula basis) on a ti-84 or normal calculator?