A, B and E.
Adding and multiplying the terms allow them to keep working. However, you must make sure that each variable is changed each time. Not just one as in C and D.
Answer:
2x^2+6x+10
Step-by-step explanation:
In the attached file
We will have the following:



So, the value of x is 8.
Answer
The answer and procedures of the exercise are attached in the following archives.
Step-by-step explanation:
You will find the procedures, formulas or necessary explanations in the archive attached below. If you have any question ask and I will aclare your doubts kindly.
Answer:
x= 14.84cm
Step-by-step explanation:
cos(52)=x/28
cos(52)*28=x
x=14.84 cm