27.3%
hope this helps leave a 5-rate and thanks!
Answer:
can i get some points?
Step-by-step explanation:
Step-by-step explanation:
this may be the answer
but I am not that sure
Answer:
-3.5
Step-by-step explanation:
2x+21/2=x+7
2x + 10.5 = x + 7
-x -x
x + 10.5 = 7
-10.5 -10.5
x = -3.5
The quadratic formula is one of the ways to find a solution to the quadratic equation, alongside graphing and completing the square. The quadratic formula can be represented as

where a is the squared value, b is the multiplied value, and c is the constant.