Question

NEED HELP!! 15 POINTS!!!

A quadratic equation is shown below:

x^2+18x+76=0

Which of the following is the first correct step to write the above equation in the form (x-p)^2=q, where p and q are integers?

A) add 9 to both sides of the equation
B) add 5 to both sides of the equation
C) subtract 5 from both sides of the equation
D) subtract 9 from both sides of the equation

Answer 1

B) Add five to both sides of the equation

Explanation:

I did this test on FLVS

Answer 2

Option B) add 5 to both sides of the equation

Explanation:

we have

`x^(2)+18x+76=0`

step 1

Add 5 to both sides of the equation

`x^(2)+18x+76+5=0+5`

`x^(2)+18x+81=5`

step 2

Rewrite as perfect squares

`(x+9)^(2)=5`