Solve for x: 2x^2 + x - 4 = 0

i got it wrong. i can't figure out the steps to get to the correct answers. : -(

Which zero pair could be added to the function f(x) = x2 + 12x + 6 so that the function can be written in vertex form? o 3, -3o 6,629,-936, 36

For a function f(x), a) if f(7) = 22 then f^-1(22) = b) f^-1(f(c)) =

Kim took out a $55,000 loan for college she is borrowing money from 2 banks bank a charges an interest rate of 8% and b charges an interest rate of 11% after one year kim owes 5000 in interest how much money did she borrow from bank a.