Question

Suppose you are a solving a quadratic equation using the quadratic formula and this is your work so far: 2x ^ 2 + 7x - 15 = 0; x = (- 7 plus/minus sqrt((7) ^ 2 - 4(2)(- 15)))/(2(2)); x= -7 pm sqrt 222 4 = What number goes in place of ???

Answer 1

Wrong

Answer 2

The correct number that goes in place of "???" is -7 pm sqrt(222).

Answer 3

I apologize for the mistake. The correct number that goes in place of "???" is -7 pm sqrt(139).