Solution - Simplification or other simple results
Step by Step Solution
Step 1 :
Trying to factor by splitting the middle term
1.1 Factoring x2+14x+48
The first term is, x2 its coefficient is 1 .
The middle term is, +14x its coefficient is 14 .
The last term, "the constant", is +48
Step-1 : Multiply the coefficient of the first term by the constant 1 • 48 = 48
Step-2 : Find two factors of 48 whose sum equals the coefficient of the middle term, which is 14 .
| -48 | + | -1 | = | -49 | ||
| -24 | + | -2 | = | -26 | ||
| -16 | + | -3 | = | -19 | ||
| -12 | + | -4 | = | -16 | ||
| -8 | + | -6 | = | -14 | ||
| -6 | + | -8 | = | -14 | ||
| -4 | + | -12 | = | -16 | ||
| -3 | + | -16 | = | -19 | ||
| -2 | + | -24 | = | -26 | ||
| -1 | + | -48 | = | -49 | ||
| 1 | + | 48 | = | 49 | ||
| 2 | + | 24 | = | 26 | ||
| 3 | + | 16 | = | 19 | ||
| 4 | + | 12 | = | 16 | ||
| 6 | + | 8 | = | 14 | That's it |
Step-3 : Rewrite the polynomial splitting the middle term using the two factors found in step 2 above, 6 and 8
x2 + 6x + 8x + 48
Step-4 : Add up the first 2 terms, pulling out like factors :
x • (x+6)
Add up the last 2 terms, pulling out common factors :
8 • (x+6)
Step-5 : Add up the four terms of step 4 :
(x+8) • (x+6)
Which is the desired factorization
Final result :
(x + 8) • (x + 6)
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