Which of the following are solutions to the equation below? check all that apply. x2 – 6x + 40 = 6x + 5 a. -5 b. -6 c. 7 d. 5 e. 6

c.7 and d.5

Step-by-step explanation:

Given the following equation :

This equation is equivalent to the following equation :

Given an equation we can find the solutions using the quadratic equation (x1 and x2 are the solutions) :

Using this equations :

⇒

Given the two solutions x1 and x2 we can write the equation :

⇒ ⇒

is equivalent to

The solutions for this equation are 7 and 5.

Therefore, c.7 and d.5 are the solutions for this exercise.

step-by-step explanation:

step 1: solve one of the equations for one of the variables. let's solve the first equation for y:

step 2: substitute that equation into the other equation, and solve for x.

step 3: substitute x = 4 x = 4 x=4 into one of the original equations, and solve for y.