Solution - Simplification or other simple results
Step by Step Solution
Step 1 :
Equation at the end of step 1 :
((2•3x2) + 11x) + 3
Step 2 :
Trying to factor by splitting the middle term
2.1 Factoring 6x2+11x+3
The first term is, 6x2 its coefficient is 6 .
The middle term is, +11x its coefficient is 11 .
The last term, "the constant", is +3
Step-1 : Multiply the coefficient of the first term by the constant 6 • 3 = 18
Step-2 : Find two factors of 18 whose sum equals the coefficient of the middle term, which is 11 .
| -18 | + | -1 | = | -19 | ||
| -9 | + | -2 | = | -11 | ||
| -6 | + | -3 | = | -9 | ||
| -3 | + | -6 | = | -9 | ||
| -2 | + | -9 | = | -11 | ||
| -1 | + | -18 | = | -19 | ||
| 1 | + | 18 | = | 19 | ||
| 2 | + | 9 | = | 11 | That's it |
Step-3 : Rewrite the polynomial splitting the middle term using the two factors found in step 2 above, 2 and 9
6x2 + 2x + 9x + 3
Step-4 : Add up the first 2 terms, pulling out like factors :
2x • (3x+1)
Add up the last 2 terms, pulling out common factors :
3 • (3x+1)
Step-5 : Add up the four terms of step 4 :
(2x+3) • (3x+1)
Which is the desired factorization
Final result :
(3x + 1) • (2x + 3)
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