Answer:
(x + 8) • (x + 7)
Step-by-step explanation:
Step 1 :
Trying to factor by splitting the middle term
1.1 Factoring x2+15x+56
The first term is, x2 its coefficient is 1 .
The middle term is, +15x its coefficient is 15 .
The last term, "the constant", is +56
Step-1 : Multiply the coefficient of the first term by the constant 1 • 56 = 56
Step-2 : Find two factors of 56 whose sum equals the coefficient of the middle term, which is 15 .
-56 + -1 = -57
-28 + -2 = -30
-14 + -4 = -18
-8 + -7 = -15
-7 + -8 = -15
-4 + -14 = -18
-2 + -28 = -30
-1 + -56 = -57
1 + 56 = 57
2 + 28 = 30
4 + 14 = 18
7 + 8 = 15 That's it
Step-3 : Rewrite the polynomial splitting the middle term using the two factors found in step 2 above, 7 and 8
x2 + 7x + 8x + 56
Step-4 : Add up the first 2 terms, pulling out like factors :
x • (x+7)
Add up the last 2 terms, pulling out common factors :
8 • (x+7)
Step-5 : Add up the four terms of step 4 :
(x+8) • (x+7)
Which is the desired factorization
Final result :
(x + 8) • (x + 7)
Processing ends successfully
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Answer:
5,33,8
Step-by-step explanation:
The ratio of green bars to red bars is 44:33 which simplified is 4:3.
We can set up an equation to find number of red bars:
Since the ratio stays the same, # of green bars / # of red bars = 4/3,
so 200200/x = 4/3 where x = # of red bars.
Now solve for x:
200200/x = 4/3
(cross multiply)
200200*3 = 4*x
600600 = 4x
600600/4 = x
x = 150150
There 150150 red bars if there are 200200 green bars.
Hope this answers your question!
Answer:
The more effective way for this data set is the mean.
Step-by-step explanation:
The median required arranging the numbers in an descending-to-ascending order, and it is also preferred if the quantity of the numbers to be an odd number.
In this case, we have repeated numbers, and the quantity is even, which makes finding the median difficult.
X is greater than or equal to -200
