Assuming that you’re meant to distribute (you didn’t list expressions), this would be your answer:
-12x + 20
Hope this helps!
Answer:
$978
Step-by-step explanation:
Given:
- y = amount of profit
- x = selling price of each widget

To find the maximum amount of profit, differentiate the equation, set it to zero and solve for x. Substitute found value of x into the original equation.
<u>Differentiate equation</u>


<u>Set differentiated equation to zero and solve for x</u>:




<u>Maximum profit</u>
Substitute x = 39 into the equation:

Therefore, max profit is $978
Answer:
(a+2)
Step-by-step explanation:
a²+7a+10 = (a + 5) (a + 2)
a + 5
X <em>5a + ?a = 7a => 5a + 2a = 7a, 5 × ? = 10 => 5 × 2 = 10</em>
a + <em>2</em>
______
(a + 5) (a + 2)