Question

-2x^2-x+4=-4-4-4 (4)/(-2)=-6

Verificación de expertos

4.3 (265 Votos)

Diego Mestre · Tutor por 5 anos

Let's solve the equation step by step:Given equation:

First, simplify the right side of the equation:

Next, move all terms to one side of the equation to set it to zero:

Now, we have a quadratic equation in the form of

, where

, and

.We can solve this quadratic equation using the quadratic formula:

Substitute the values of

, and

into the formula:

Therefore, the solutions to the equation are:

and

Regarding the second expression

, it is incorrect. The correct calculation is:

So, the correct answer is: