Solve using the quadratic formula. Approximate answers to the nearest tenth.

Step-by-step explanation:

We want to solve the equation:

Using the quadratic formula.

The quadratic formula is given by:

In this case, a = 2, b = -3, and c = -8. Substitute:

Evaluate:

So, our solutions are:

or

step-by-step explanation:

we need to solve for 'x' the following equation:  

we have that:

⇒

⇒ ⇒

factorizing, we get that:

  ⇒

then, the solutions are: or

nothing extraneous has been found!

answer is  

a.

p = 78

step-by-step explanation: