Answer:

Step-by-step explanation:
Given:

Solve for:

Solution:
Step 1: Select the formula to solve for 
There are some ways to solve quadratic equations.
One of the simple way (if possible) is performing the factorization.
Another way is using the quadratic formula.
Here, we are going to use factorization.
Step 2: Perform factorization

<=>
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or 
Hope this helps!
:)
Answer:
I believe it is 4.
Step-by-step explanation:
If 3 times 2 equals then add 4 which then would 10. hopefully I am not dumb and did not understand this. I have 5 IQ. :)
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Answer:
85.5
Step-by-step explanation:
57 + 57/2 = 57 + 28.5 = 85.5