Determine the polynomial that is equivalent to the expression below.
(2x + 6) + (x2 + 2x + 1)
Solve the problem! Show your work for your final
answer.
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x^2 + 4x + 7

Step-by-step explanation:

(2x + 6) + (x^2 + 2x + 1) Remove parentheses.

2x + 6 + x^2 + 2x + 1  Combine like terms and reorder.

x^2 + 4x + 7

Hope this helped!

john earns $14.00 for two hours of work.

let x and 400 - x be the two numbers.  

==> 0.80x + 0.85(400 - x) = 400 - 68 from the statement of the problem.  

< ==> 0.80x + 0.85(400 - x) = 400 - 68  

==> 340 - 0.05x = 332  

< ==> -0.05x = -8 ==> x = 160, the first number ==> 400 - x = 240, the second number.