Solution - Simplification or other simple results
Step by Step Solution
Step 1 :
Equation at the end of step 1 :
((2•3n2) - 96n) + 360
Step 2 :
Step 3 :
Pulling out like terms :
3.1 Pull out like factors :
6n2 - 96n + 360 = 6 • (n2 - 16n + 60)
Trying to factor by splitting the middle term
3.2 Factoring n2 - 16n + 60
The first term is, n2 its coefficient is 1 .
The middle term is, -16n its coefficient is -16 .
The last term, "the constant", is +60
Step-1 : Multiply the coefficient of the first term by the constant 1 • 60 = 60
Step-2 : Find two factors of 60 whose sum equals the coefficient of the middle term, which is -16 .
| -60 | + | -1 | = | -61 | ||
| -30 | + | -2 | = | -32 | ||
| -20 | + | -3 | = | -23 | ||
| -15 | + | -4 | = | -19 | ||
| -12 | + | -5 | = | -17 | ||
| -10 | + | -6 | = | -16 | That's it |
Step-3 : Rewrite the polynomial splitting the middle term using the two factors found in step 2 above, -10 and -6
n2 - 10n - 6n - 60
Step-4 : Add up the first 2 terms, pulling out like factors :
n • (n-10)
Add up the last 2 terms, pulling out common factors :
6 • (n-10)
Step-5 : Add up the four terms of step 4 :
(n-6) • (n-10)
Which is the desired factorization
Final result :
6 • (n - 6) • (n - 10)
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