Use the quadratic formula to solve x2 + 2x - 120 = 0. Think about what other method could also be used to solve this equation. a x = 10, x = 12 b x = -10, x = 12 c x = -12, x = 10

x = 10 , -12

Step-by-step explanation:

Solution:-

- The given quadratic equation is to be solved using the quadratic formula. The general form of a quadratic equation is:

Where, [ a , b and c are constants ]

- The quadratic formula is given as:

- The given equation is:

Where, a = 1 , b = 2 , c = -120

- Solve using quadratic formula:

answer: it's a

step-by-step explanation:

true !

step-by-step explanation: