Answer:
Step-by-step explanation:
For a quadratic of the form

, we can solve by completing the square.
First, we must expand the expression and convert it to the form above.

Completing the square is like forcing a quadratic to be factored like a perfect square trinomial. To do so, we add the square of half of the coefficient b,

, to both sides of the equation.

We then factor like a perfect square trinomial and simplify.

Click on ask for help in the corner
Answer:
22 students
Step-by-step explanation:
55% of 40 equals 22
Answer:
bleasssss
Step-by-step explanation: