X = 3 and x = -1 are the answers for both. They are exactly the same equation.
FOR COMPLETING THE SQUARE
Make in terms of ()^2 which you can do by adding numbers to both sides. Eventually it will look like this:
(2x - 1)^2 - 7 = 0
Add to both sides, take a square root and then solve.
USE THE QUADRATIC FORMULA
Be sure to solve for zero and be aware of negatives when plugging in.
Answer:
I think the first questions answer is 30 people. And the second questions answer is 75
Step-by-step explanation:
To determine how many students voted for Math, you must remove the votes from the 195 students that have been counted, from the total 270 who voted. So, 270 − 195 = 75 students voted for Math as their favorite subject.
For the first question I just found out what 6% of 500 is.
Answer:
-7y
Step-by-step explanation:
-2y-7y=
-9y+8y=
-y+y=
0-7y=
-7y