Given the polynomial 2x3 + 18x2 − 18x − 162, what is the value of the coefficient 'k' in the factored form?2x3 + 18x2 − 18x − 16
2 = 2(x + k)(x − k)(x + 9)k= ____________
1 answer:
Answer:

Step-by-step explanation:
Let

We factor 2 to obtain;

We factor the polynomial within the parenthesis by grouping.



We apply difference of two squares on the second factor: 

We now compare to;

It is now obvious that 
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15x-24
the answer is not B because 3*-5= -15, we need -24
the answer is not C because 3*-24= -72
the answer is not A because 5*8= 40
Answer :
D. 3(5x − 8)
(3)(5x)(3)(-8)
15x-24= 15x-24
Answer:
He is been paid $7 per hour
Step-by-step explanation:
140dollars/ 20 hours