Solution - Simplification or other simple results
Step by Step Solution
Step 1 :
Equation at the end of step 1 :
((2•3x2) + 66x) + 60
Step 2 :
Step 3 :
Pulling out like terms :
3.1 Pull out like factors :
6x2 + 66x + 60 = 6 • (x2 + 11x + 10)
Trying to factor by splitting the middle term
3.2 Factoring x2 + 11x + 10
The first term is, x2 its coefficient is 1 .
The middle term is, +11x its coefficient is 11 .
The last term, "the constant", is +10
Step-1 : Multiply the coefficient of the first term by the constant 1 • 10 = 10
Step-2 : Find two factors of 10 whose sum equals the coefficient of the middle term, which is 11 .
| -10 | + | -1 | = | -11 | ||
| -5 | + | -2 | = | -7 | ||
| -2 | + | -5 | = | -7 | ||
| -1 | + | -10 | = | -11 | ||
| 1 | + | 10 | = | 11 | That's it |
Step-3 : Rewrite the polynomial splitting the middle term using the two factors found in step 2 above, 1 and 10
x2 + 1x + 10x + 10
Step-4 : Add up the first 2 terms, pulling out like factors :
x • (x+1)
Add up the last 2 terms, pulling out common factors :
10 • (x+1)
Step-5 : Add up the four terms of step 4 :
(x+10) • (x+1)
Which is the desired factorization
Final result :
6 • (x + 10) • (x + 1)
How did we do?
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