Brian correctly used a method of completing the square to solve the equation x2+7x-11=0. Brian's first step was to rewrite the e

Question

3 years ago

11

quation as x2+7x=11. He then added a number to both sides of the equation. Which number did he add?

1 answer:

kap26 [50] · Answer 1 · 2022-07-09T12:21:36+03:00

kap26 [50]3 years ago

4 0

Answer:

11

Step-by-step explanation:

Since Brian added 11 points to the left side of the equation, it cancels out the previous -11.

Since he added 11 on the right side of the equation, it is displayed there.