What are the exact solutions of x2 − 5x − 7 = 0, where x equals negative b plus or minus the square root of b squared minus 4 times a times c all over 2 times a

 or  

Step-by-step explanation:

Given

Required

Solve for x using:

First, we need to identify a, b and c

The general form of a quadratic equation is:

So, by comparison with

Substitute these values of a, b and c in

Split the expression to two

 or  

To solve further in decimal form, we have

 or  

 or  

or

33

step-by-step explanation: g=6

nope

step-by-step explanation: