Use the quadratic formula to solve the equation.
x^2 – 7x – 6 = 0

show work .

The standard form of quadratic equation , then the values of x which are the solutions of the equation are given by:

.

Given the equation:

Here, a=1 , b= -7 and c = -6.

then, the solution of the given equation given by:

Substitute the values of a, b and c in above we get;

or

then,

the solutions of the given equation are;

, .

- (2, -7)

- lines r and s and lines t and u must be parallel